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2140440032 = 25891574787
BaseRepresentation
bin111111110010100…
…1000010111100000
312112011121121201202
41333211020113200
513340423040112
6552221020332
7104020303643
oct17745102740
95464547652
102140440032
119a924a305
124b89b46a8
132815a9a83
141643b5a5a
15c7da46c2
hex7f9485e0

2140440032 has 48 divisors (see below), whose sum is σ = 4289377680. Its totient is φ = 1051235328.

The previous prime is 2140439993. The next prime is 2140440037. The reversal of 2140440032 is 2300440412.

It is a super-2 number, since 2×21404400322 = 9162967061176322048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2140439986 and 2140440013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140440037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444743 + ... + 449529.

It is an arithmetic number, because the mean of its divisors is an integer number (89362035).

Almost surely, 22140440032 is an apocalyptic number.

It is an amenable number.

2140440032 is an abundant number, since it is smaller than the sum of its proper divisors (2148937648).

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

2140440032 is a wasteful number, since it uses less digits than its factorization.

2140440032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2140440032 is about 46264.8898410015. The cubic root of 2140440032 is about 1288.7470622029.

Adding to 2140440032 its reverse (2300440412), we get a palindrome (4440880444).

The spelling of 2140440032 in words is "two billion, one hundred forty million, four hundred forty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 89 157 178 314 356 628 712 1256 1424 2512 2848 4787 5024 9574 13973 19148 27946 38296 55892 76592 111784 153184 223568 426043 447136 751559 852086 1503118 1704172 3006236 3408344 6012472 6816688 12024944 13633376 24049888 66888751 133777502 267555004 535110008 1070220016 2140440032