57204072036 has 18 divisors (see below), whose sum is σ = 144599182182. Its totient is φ = 19068024000.

The previous prime is 57204072019. The next prime is 57204072043. The reversal of 57204072036 is 63027040275.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42104577636 + 15099494400 = 205194^2 + 122880^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1589002001 = 57204072036 / (5 + 7 + 2 + 0 + 4 + 0 + 7 + 2 + 0 + 3 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 794500965 + ... + 794501036.

It is an arithmetic number, because the mean of its divisors is an integer number (8033287899).

Almost surely, 2^57204072036 is an apocalyptic number.

It is an amenable number.

57204072036 is an abundant number, since it is smaller than the sum of its proper divisors (87395110146).

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

57204072036 is a wasteful number, since it uses less digits than its factorization.

57204072036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589002011 (or 1589002006 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 57204072036 in words is "fifty-seven billion, two hundred four million, seventy-two thousand, thirty-six".