13025408508 has 72 divisors (see below), whose sum is σ = 38842818560. Its totient is φ = 3601493280.

The previous prime is 13025408503. The next prime is 13025408519. The reversal of 13025408508 is 80580452031.

It is a happy number.

13025408508 is a `hidden beast` number, since 1 + 30 + 2 + 540 + 85 + 0 + 8 = 666.

It is a super-2 number, since 2×13025408508² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13025408503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825868 + ... + 841491.

Almost surely, 2^13025408508 is an apocalyptic number.

13025408508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13025408508 is an abundant number, since it is smaller than the sum of its proper divisors (25817410052).

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

13025408508 is a wasteful number, since it uses less digits than its factorization.

13025408508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667407 (or 1667402 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 13025408508 in words is "thirteen billion, twenty-five million, four hundred eight thousand, five hundred eight".