2502129521640 has 64 divisors (see below), whose sum is σ = 8578729791360. Its totient is φ = 571915319040.

The previous prime is 2502129521623. The next prime is 2502129521707. The reversal of 2502129521640 is 461259212052.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1489361971 + ... + 1489363650.

It is an arithmetic number, because the mean of its divisors is an integer number (134042652990).

Almost surely, 2^{2502129521640} is an apocalyptic number.

2502129521640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2502129521640 is an abundant number, since it is smaller than the sum of its proper divisors (6076600269720).

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

2502129521640 is a wasteful number, since it uses less digits than its factorization.

2502129521640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978725642 (or 2978725638 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 2502129521640 in words is "two trillion, five hundred two billion, one hundred twenty-nine million, five hundred twenty-one thousand, six hundred forty".