13887525040 has 40 divisors (see below), whose sum is σ = 32346568080. Its totient is φ = 5545019136.

The previous prime is 13887525019. The next prime is 13887525053. The reversal of 13887525040 is 4052578831.

It is a tau number, because it is divible by the number of its divisors (40).

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, 111270 + ... + 200389.

It is an arithmetic number, because the mean of its divisors is an integer number (808664202).

Almost surely, 2^13887525040 is an apocalyptic number.

13887525040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13887525040 is an abundant number, since it is smaller than the sum of its proper divisors (18459043040).

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

13887525040 is a wasteful number, since it uses less digits than its factorization.

13887525040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312229 (or 312223 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 13887525040 in words is "thirteen billion, eight hundred eighty-seven million, five hundred twenty-five thousand, forty".