642303804576 has 48 divisors (see below), whose sum is σ = 1926911415744. Its totient is φ = 183515372544.

The previous prime is 642303804413. The next prime is 642303804613. The reversal of 642303804576 is 675408303246.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477903945 + ... + 477905288.

It is an arithmetic number, because the mean of its divisors is an integer number (40143987828).

Almost surely, 2^642303804576 is an apocalyptic number.

It is an amenable number.

642303804576 is an abundant number, since it is smaller than the sum of its proper divisors (1284607611168).

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

642303804576 is a wasteful number, since it uses less digits than its factorization.

642303804576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955809253 (or 955809245 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 642303804576 in words is "six hundred forty-two billion, three hundred three million, eight hundred four thousand, five hundred seventy-six".