2651591404 has 24 divisors (see below), whose sum is σ = 5785291008. Its totient is φ = 1033087440.

The previous prime is 2651591399. The next prime is 2651591419. The reversal of 2651591404 is 4041951562.

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, 4304224 + ... + 4304839.

It is an arithmetic number, because the mean of its divisors is an integer number (241053792).

Almost surely, 2^2651591404 is an apocalyptic number.

It is an amenable number.

2651591404 is an abundant number, since it is smaller than the sum of its proper divisors (3133699604).

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

2651591404 is a wasteful number, since it uses less digits than its factorization.

2651591404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8609085 (or 8609083 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2651591404 is about 51493.6054670869. The cubic root of 2651591404 is about 1384.1044581019.

The spelling of 2651591404 in words is "two billion, six hundred fifty-one million, five hundred ninety-one thousand, four hundred four".