13625354240 has 48 divisors (see below), whose sum is σ = 32692891140. Its totient is φ = 5450137600.

The previous prime is 13625354207. The next prime is 13625354251. The reversal of 13625354240 is 4245352631.

It can be written as a sum of positive squares in 2 ways, for example, as 13411492864 + 213861376 = 115808^2 + 14624^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13625354240.

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, 655061 + ... + 675540.

Almost surely, 2^13625354240 is an apocalyptic number.

13625354240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13625354240 is an abundant number, since it is smaller than the sum of its proper divisors (19067536900).

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

13625354240 is an equidigital number, since it uses as much as digits as its factorization.

13625354240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330628 (or 1330608 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 13625354240 in words is "thirteen billion, six hundred twenty-five million, three hundred fifty-four thousand, two hundred forty".