2002640157108 has 36 divisors (see below), whose sum is σ = 5328662408160. Its totient is φ = 632412680976.

The previous prime is 2002640157047. The next prime is 2002640157113. The reversal of 2002640157108 is 8017510462002.

2002640157108 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 640 + 1 + 5 + 7 + 1 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1463917560 + ... + 1463918927.

Almost surely, 2^{2002640157108} is an apocalyptic number.

It is an amenable number.

2002640157108 is an abundant number, since it is smaller than the sum of its proper divisors (3326022251052).

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

2002640157108 is a wasteful number, since it uses less digits than its factorization.

2002640157108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927836516 (or 2927836511 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 2002640157108 in words is "two trillion, two billion, six hundred forty million, one hundred fifty-seven thousand, one hundred eight".