642260311082 has 32 divisors (see below), whose sum is σ = 1065691130112. Its totient is φ = 288374796864.

The previous prime is 642260310911. The next prime is 642260311097. The reversal of 642260311082 is 280113062246.

It is a super-2 number, since 2×642260311082² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7215983 + ... + 7304445.

It is an arithmetic number, because the mean of its divisors is an integer number (33302847816).

Almost surely, 2^642260311082 is an apocalyptic number.

642260311082 is a deficient number, since it is larger than the sum of its proper divisors (423430819030).

642260311082 is a wasteful number, since it uses less digits than its factorization.

642260311082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96062.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 642260311082 in words is "six hundred forty-two billion, two hundred sixty million, three hundred eleven thousand, eighty-two".