2642320626 has 64 divisors (see below), whose sum is σ = 5819337216. Its totient is φ = 793209600.

The previous prime is 2642320613. The next prime is 2642320669. The reversal of 2642320626 is 6260232462.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4501105 + ... + 4501691.

It is an arithmetic number, because the mean of its divisors is an integer number (90927144).

Almost surely, 2^2642320626 is an apocalyptic number.

2642320626 is an abundant number, since it is smaller than the sum of its proper divisors (3177016590).

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

2642320626 is a wasteful number, since it uses less digits than its factorization.

2642320626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 2642320626 is about 51403.5079153164. The cubic root of 2642320626 is about 1382.4894897215.

The spelling of 2642320626 in words is "two billion, six hundred forty-two million, three hundred twenty thousand, six hundred twenty-six".