2155332504 has 32 divisors (see below), whose sum is σ = 5802819120. Its totient is φ = 663179136.

The previous prime is 2155332499. The next prime is 2155332521. The reversal of 2155332504 is 4052335512.

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, 3453747 + ... + 3454370.

Almost surely, 2^2155332504 is an apocalyptic number.

2155332504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2155332504 is an abundant number, since it is smaller than the sum of its proper divisors (3647486616).

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

2155332504 is a wasteful number, since it uses less digits than its factorization.

2155332504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908139 (or 6908135 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2155332504 is about 46425.5587365408. The cubic root of 2155332504 is about 1291.7290485437.

The spelling of 2155332504 in words is "two billion, one hundred fifty-five million, three hundred thirty-two thousand, five hundred four".