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26023402346440 = 2351761636209591
BaseRepresentation
bin1011110101011000010111…
…01001110001011111001000
310102010210221122122102200211
411322230023221301133020
511402331412000041230
6131202552550410504
75324062112136262
oct572541351613710
9112123848572624
1026023402346440
118323510217774
122b03614960a34
131169cc4b862b5
1465d77a150b32
15301ddd60742a
hex17ab0ba717c8

26023402346440 has 64 divisors (see below), whose sum is σ = 62006998642560. Its totient is φ = 9795454356480.

The previous prime is 26023402346437. The next prime is 26023402346503. The reversal of 26023402346440 is 4464320432062.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 26023402346393 and 26023402346402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086045 + ... + 7295635.

It is an arithmetic number, because the mean of its divisors is an integer number (968859353790).

Almost surely, 226023402346440 is an apocalyptic number.

26023402346440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26023402346440 is an abundant number, since it is smaller than the sum of its proper divisors (35983596296120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26023402346440 is a wasteful number, since it uses less digits than its factorization.

26023402346440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215782 (or 6215778 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

The spelling of 26023402346440 in words is "twenty-six trillion, twenty-three billion, four hundred two million, three hundred forty-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 6163 12326 24652 30815 49304 61630 104771 123260 209542 246520 419084 523855 838168 1047710 2095420 4190840 6209591 12419182 24838364 31047955 49676728 62095910 105563047 124191820 211126094 248383640 422252188 527815235 844504376 1055630470 2111260940 4222521880 38269709333 76539418666 153078837332 191348546665 306157674664 382697093330 650585058661 765394186660 1301170117322 1530788373320 2602340234644 3252925293305 5204680469288 6505850586610 13011701173220 26023402346440