202400208642 has 64 divisors (see below), whose sum is σ = 431924935680. Its totient is φ = 63009183744.

The previous prime is 202400208629. The next prime is 202400208677. The reversal of 202400208642 is 246802004202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7105284 + ... + 7133712.

It is an arithmetic number, because the mean of its divisors is an integer number (6748827120).

Almost surely, 2^202400208642 is an apocalyptic number.

202400208642 is an abundant number, since it is smaller than the sum of its proper divisors (229524727038).

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

202400208642 is a wasteful number, since it uses less digits than its factorization.

202400208642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28987.

The product of its (nonzero) digits is 12288, while the sum is 30.

The spelling of 202400208642 in words is "two hundred two billion, four hundred million, two hundred eight thousand, six hundred forty-two".