57269773440 has 448 divisors, whose sum is σ = 223953076800. Its totient is φ = 13882337280.

The previous prime is 57269773387. The next prime is 57269773441. The reversal of 57269773440 is 4437796275.

57269773440 is a `hidden beast` number, since 5 + 72 + 69 + 7 + 73 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (57269773441) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5126581 + ... + 5137739.

Almost surely, 2^57269773440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57269773440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111976538400).

57269773440 is an abundant number, since it is smaller than the sum of its proper divisors (166683303360).

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

57269773440 is a wasteful number, since it uses less digits than its factorization.

57269773440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207 (or 11180 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 57269773440 in words is "fifty-seven billion, two hundred sixty-nine million, seven hundred seventy-three thousand, four hundred forty".