57472255440 has 120 divisors (see below), whose sum is σ = 197499725280. Its totient is φ = 14969509632.

The previous prime is 57472255429. The next prime is 57472255441. The reversal of 57472255440 is 4455227475.

57472255440 is a `hidden beast` number, since 5 + 74 + 7 + 22 + 554 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57472255441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 897210 + ... + 959129.

It is an arithmetic number, because the mean of its divisors is an integer number (1645831044).

Almost surely, 2^57472255440 is an apocalyptic number.

It is an amenable number.

57472255440 is an abundant number, since it is smaller than the sum of its proper divisors (140027469840).

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

57472255440 is a wasteful number, since it uses less digits than its factorization.

57472255440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856401 (or 1856392 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 45.

The spelling of 57472255440 in words is "fifty-seven billion, four hundred seventy-two million, two hundred fifty-five thousand, four hundred forty".