2620454464 has 28 divisors (see below), whose sum is σ = 5473649200. Its totient is φ = 1241267328.

The previous prime is 2620454437. The next prime is 2620454479. The reversal of 2620454464 is 4644540262.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076274 + ... + 1078705.

Almost surely, 2^2620454464 is an apocalyptic number.

It is an amenable number.

2620454464 is an abundant number, since it is smaller than the sum of its proper divisors (2853194736).

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

2620454464 is a wasteful number, since it uses less digits than its factorization.

2620454464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155010 (or 2155000 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The square root of 2620454464 is about 51190.3747202538. The cubic root of 2620454464 is about 1378.6653875672.

The spelling of 2620454464 in words is "two billion, six hundred twenty million, four hundred fifty-four thousand, four hundred sixty-four".