13038675579640 has 32 divisors (see below), whose sum is σ = 30019276338480. Its totient is φ = 5094180225792.

The previous prime is 13038675579623. The next prime is 13038675579653. The reversal of 13038675579640 is 4697557683031.

It is a super-2 number, since 2×13038675579640² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3790310949 + ... + 3790314388.

Almost surely, 2^{13038675579640} is an apocalyptic number.

13038675579640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13038675579640 is an abundant number, since it is smaller than the sum of its proper divisors (16980600758840).

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

13038675579640 is a wasteful number, since it uses less digits than its factorization.

13038675579640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580625391 (or 7580625387 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 64.

The spelling of 13038675579640 in words is "thirteen trillion, thirty-eight billion, six hundred seventy-five million, five hundred seventy-nine thousand, six hundred forty".