642250362 has 24 divisors (see below), whose sum is σ = 1390911264. Its totient is φ = 197615184.

The previous prime is 642250351. The next prime is 642250387. The reversal of 642250362 is 263052246.

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, 315678 + ... + 317705.

It is an arithmetic number, because the mean of its divisors is an integer number (57954636).

Almost surely, 2^642250362 is an apocalyptic number.

642250362 is an abundant number, since it is smaller than the sum of its proper divisors (748660902).

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

642250362 is a wasteful number, since it uses less digits than its factorization.

642250362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633414 (or 633401 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 642250362 is about 25342.6589370571. The cubic root of 642250362 is about 862.7827482140.

The spelling of 642250362 in words is "six hundred forty-two million, two hundred fifty thousand, three hundred sixty-two".