10615343840 has 24 divisors (see below), whose sum is σ = 25078750200. Its totient is φ = 4246137472.

The previous prime is 10615343821. The next prime is 10615343887. The reversal of 10615343840 is 4834351601.

It is a super-2 number, since 2×10615343840² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10615343840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33172790 + ... + 33173109.

It is an arithmetic number, because the mean of its divisors is an integer number (1044947925).

Almost surely, 2^10615343840 is an apocalyptic number.

10615343840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10615343840 is an abundant number, since it is smaller than the sum of its proper divisors (14463406360).

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

10615343840 is an equidigital number, since it uses as much as digits as its factorization.

10615343840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66345914 (or 66345906 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 10615343840 in words is "ten billion, six hundred fifteen million, three hundred forty-three thousand, eight hundred forty".