642152300 has 18 divisors (see below), whose sum is σ = 1393470708. Its totient is φ = 256860880.

The previous prime is 642152281. The next prime is 642152317. The reversal of 642152300 is 3251246.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3210662 + ... + 3210861.

Almost surely, 2^642152300 is an apocalyptic number.

It is an amenable number.

642152300 is an abundant number, since it is smaller than the sum of its proper divisors (751318408).

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

642152300 is a wasteful number, since it uses less digits than its factorization.

642152300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421537 (or 6421530 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 642152300 is about 25340.7241411922. The cubic root of 642152300 is about 862.7388346494.

The spelling of 642152300 in words is "six hundred forty-two million, one hundred fifty-two thousand, three hundred".