57269040 has 120 divisors (see below), whose sum is σ = 187653168. Its totient is φ = 14446080.

The previous prime is 57269033. The next prime is 57269053. The reversal of 57269040 is 4096275.

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

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 57268992 and 57269010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86310 + ... + 86970.

Almost surely, 2^57269040 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 57269040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93826584).

57269040 is an abundant number, since it is smaller than the sum of its proper divisors (130384128).

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

57269040 is a wasteful number, since it uses less digits than its factorization.

57269040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 57269040 is about 7567.6310692316. The cubic root of 57269040 is about 385.4546604798.

The spelling of 57269040 in words is "fifty-seven million, two hundred sixty-nine thousand, forty".