642466060 has 12 divisors (see below), whose sum is σ = 1349178768. Its totient is φ = 256986416.

The previous prime is 642466043. The next prime is 642466067. The reversal of 642466060 is 60664246.

It is not an unprimeable number, because it can be changed into a prime (642466067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16061632 + ... + 16061671.

It is an arithmetic number, because the mean of its divisors is an integer number (112431564).

Almost surely, 2^642466060 is an apocalyptic number.

It is an amenable number.

642466060 is an abundant number, since it is smaller than the sum of its proper divisors (706712708).

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

642466060 is a wasteful number, since it uses less digits than its factorization.

642466060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32123312 (or 32123310 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 642466060 is about 25346.9142106095. The cubic root of 642466060 is about 862.8793251329.

The spelling of 642466060 in words is "six hundred forty-two million, four hundred sixty-six thousand, sixty".