57076440 has 32 divisors (see below), whose sum is σ = 171229680. Its totient is φ = 15220352.

The previous prime is 57076427. The next prime is 57076441. The reversal of 57076440 is 4467075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57076441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237699 + ... + 237938.

Almost surely, 2^57076440 is an apocalyptic number.

It is an amenable number.

57076440 is an abundant number, since it is smaller than the sum of its proper divisors (114153240).

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

57076440 is a wasteful number, since it uses less digits than its factorization.

57076440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475651 (or 475647 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 57076440 is about 7554.8951018528. The cubic root of 57076440 is about 385.0220710347.

The spelling of 57076440 in words is "fifty-seven million, seventy-six thousand, four hundred forty".