2642650464 has 48 divisors (see below), whose sum is σ = 6967574208. Its totient is φ = 876995712.

The previous prime is 2642650457. The next prime is 2642650477. The reversal of 2642650464 is 4640562462.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38842 + ... + 82425.

It is an arithmetic number, because the mean of its divisors is an integer number (145157796).

Almost surely, 2^2642650464 is an apocalyptic number.

2642650464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2642650464 is an abundant number, since it is smaller than the sum of its proper divisors (4324923744).

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

2642650464 is a wasteful number, since it uses less digits than its factorization.

2642650464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121507 (or 121499 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The square root of 2642650464 is about 51406.7161370963. The cubic root of 2642650464 is about 1382.5470122128.

The spelling of 2642650464 in words is "two billion, six hundred forty-two million, six hundred fifty thousand, four hundred sixty-four".