57764454440 has 128 divisors (see below), whose sum is σ = 162615582720. Its totient is φ = 17940614400.

The previous prime is 57764454421. The next prime is 57764454497. The reversal of 57764454440 is 4445446775.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 838505 + ... + 904775.

It is an arithmetic number, because the mean of its divisors is an integer number (1270434240).

Almost surely, 2^57764454440 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 57764454440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81307791360).

57764454440 is an abundant number, since it is smaller than the sum of its proper divisors (104851128280).

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

57764454440 is a wasteful number, since it uses less digits than its factorization.

57764454440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66583 (or 66579 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 50.

The spelling of 57764454440 in words is "fifty-seven billion, seven hundred sixty-four million, four hundred fifty-four thousand, four hundred forty".