642880854300 has 72 divisors (see below), whose sum is σ = 1876529488176. Its totient is φ = 169917762560.

The previous prime is 642880854299. The next prime is 642880854337. The reversal of 642880854300 is 3458088246.

It is a self number, because there is not a number n which added to its sum of digits gives 642880854300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9448119 + ... + 9515918.

It is an arithmetic number, because the mean of its divisors is an integer number (26062909558).

Almost surely, 2^642880854300 is an apocalyptic number.

642880854300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

642880854300 is an abundant number, since it is smaller than the sum of its proper divisors (1233648633876).

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

642880854300 is a wasteful number, since it uses less digits than its factorization.

642880854300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18964167 (or 18964160 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 642880854300 in words is "six hundred forty-two billion, eight hundred eighty million, eight hundred fifty-four thousand, three hundred".