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10040711440 = 2451271795521
BaseRepresentation
bin10010101100111100…
…10001100100010000
3221220202100222201111
421112132101210100
5131030410231230
64340155143104
7503550432124
oct112636214420
927822328644
1010040711440
1142927a1131
121b42744a94
13c40272a96
146b371d584
153db75092a
hex256791910

10040711440 has 80 divisors (see below), whose sum is σ = 23664199680. Its totient is φ = 3961681920.

The previous prime is 10040711437. The next prime is 10040711453. The reversal of 10040711440 is 4411704001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1815880 + ... + 1821400.

It is an arithmetic number, because the mean of its divisors is an integer number (295802496).

Almost surely, 210040711440 is an apocalyptic number.

10040711440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10040711440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11832099840).

10040711440 is an abundant number, since it is smaller than the sum of its proper divisors (13623488240).

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

10040711440 is a wasteful number, since it uses less digits than its factorization.

10040711440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 5834 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The spelling of 10040711440 in words is "ten billion, forty million, seven hundred eleven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 127 179 254 358 508 635 716 895 1016 1270 1432 1790 2032 2540 2864 3580 5080 5521 7160 10160 11042 14320 22084 22733 27605 44168 45466 55210 88336 90932 110420 113665 181864 220840 227330 363728 441680 454660 701167 909320 988259 1402334 1818640 1976518 2804668 3505835 3953036 4941295 5609336 7011670 7906072 9882590 11218672 14023340 15812144 19765180 28046680 39530360 56093360 79060720 125508893 251017786 502035572 627544465 1004071144 1255088930 2008142288 2510177860 5020355720 10040711440