10520501440 has 28 divisors (see below), whose sum is σ = 25051944816. Its totient is φ = 4208200448.

The previous prime is 10520501423. The next prime is 10520501447. The reversal of 10520501440 is 4410502501.

It is a super-2 number, since 2×10520501440² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520501447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16437964 + ... + 16438603.

Almost surely, 2^10520501440 is an apocalyptic number.

10520501440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10520501440 is an abundant number, since it is smaller than the sum of its proper divisors (14531443376).

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

10520501440 is an equidigital number, since it uses as much as digits as its factorization.

10520501440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32876584 (or 32876574 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 10520501440 in words is "ten billion, five hundred twenty million, five hundred one thousand, four hundred forty".