13057926408 has 100 divisors (see below), whose sum is σ = 37128440415. Its totient is φ = 4287677328.

The previous prime is 13057926397. The next prime is 13057926419. The reversal of 13057926408 is 80462975031.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

13057926408 is a `hidden beast` number, since 1 + 30 + 579 + 2 + 6 + 40 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (13057926397) and next prime (13057926419).

It can be written as a sum of positive squares in only one way, i.e., 6528963204 + 6528963204 = 80802^2 + 80802^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80802.

It is an unprimeable number.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 194894391 + ... + 194894457.

It is a 1-persistent number, because it is pandigital, but 2⋅13057926408 = 26115852816 is not.

Almost surely, 2^13057926408 is an apocalyptic number.

13057926408 is a gapful number since it is divisible by the number (18) 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 13057926408

13057926408 is an abundant number, since it is smaller than the sum of its proper divisors (24070514007).

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

13057926408 is an frugal number, since it uses more digits than its factorization.

13057926408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 13057926408 in words is "thirteen billion, fifty-seven million, nine hundred twenty-six thousand, four hundred eight".