642460060 has 24 divisors (see below), whose sum is σ = 1471818096. Its totient is φ = 233621760.

The previous prime is 642460057. The next prime is 642460067. The reversal of 642460060 is 60064246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642460067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459917 + ... + 1460356.

It is an arithmetic number, because the mean of its divisors is an integer number (61325754).

Almost surely, 2^642460060 is an apocalyptic number.

It is an amenable number.

642460060 is an abundant number, since it is smaller than the sum of its proper divisors (829358036).

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

642460060 is a wasteful number, since it uses less digits than its factorization.

642460060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920293 (or 2920291 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 642460060 is about 25346.7958527306. The cubic root of 642460060 is about 862.8766389769.

The spelling of 642460060 in words is "six hundred forty-two million, four hundred sixty thousand, sixty".