2172400504 has 16 divisors (see below), whose sum is σ = 4075320600. Its totient is φ = 1085648352.

The previous prime is 2172400459. The next prime is 2172400519. The reversal of 2172400504 is 4050042712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52014 + ... + 83965.

Almost surely, 2^2172400504 is an apocalyptic number.

It is an amenable number.

2172400504 is a deficient number, since it is larger than the sum of its proper divisors (1902920096).

2172400504 is a wasteful number, since it uses less digits than its factorization.

2172400504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137982 (or 137978 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2172400504 is about 46609.0174107972. The cubic root of 2172400504 is about 1295.1298059634.

The spelling of 2172400504 in words is "two billion, one hundred seventy-two million, four hundred thousand, five hundred four".