13525855040 has 56 divisors (see below), whose sum is σ = 32346854280. Its totient is φ = 5387091968.

The previous prime is 13525855039. The next prime is 13525855073. The reversal of 13525855040 is 4055852531.

It can be written as a sum of positive squares in 4 ways, for example, as 2992527616 + 10533327424 = 54704^2 + 102632^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13525854985 and 13525855003.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16145 + ... + 165264.

Almost surely, 2^13525855040 is an apocalyptic number.

13525855040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13525855040 is an abundant number, since it is smaller than the sum of its proper divisors (18820999240).

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

13525855040 is a wasteful number, since it uses less digits than its factorization.

13525855040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181659 (or 181649 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 13525855040 in words is "thirteen billion, five hundred twenty-five million, eight hundred fifty-five thousand, forty".