642180300 has 36 divisors (see below), whose sum is σ = 1858042536. Its totient is φ = 171248000.

The previous prime is 642180269. The next prime is 642180311. The reversal of 642180300 is 3081246.

It is a happy number.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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, 1070001 + ... + 1070600.

Almost surely, 2^642180300 is an apocalyptic number.

642180300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

642180300 is an abundant number, since it is smaller than the sum of its proper divisors (1215862236).

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

642180300 is a wasteful number, since it uses less digits than its factorization.

642180300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140618 (or 2140611 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 642180300 is about 25341.2766055698. The cubic root of 642180300 is about 862.7513739054.

The spelling of 642180300 in words is "six hundred forty-two million, one hundred eighty thousand, three hundred".