57187342740 has 96 divisors (see below), whose sum is σ = 175451318784. Its totient is φ = 13802488960.

The previous prime is 57187342733. The next prime is 57187342781. The reversal of 57187342740 is 4724378175.

It is a self number, because there is not a number n which added to its sum of digits gives 57187342740.

It is a congruent number.

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, 41034 + ... + 340673.

It is an arithmetic number, because the mean of its divisors is an integer number (1827617904).

Almost surely, 2^57187342740 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 57187342740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87725659392).

57187342740 is an abundant number, since it is smaller than the sum of its proper divisors (118263976044).

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

57187342740 is a wasteful number, since it uses less digits than its factorization.

57187342740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381957 (or 381955 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 57187342740 in words is "fifty-seven billion, one hundred eighty-seven million, three hundred forty-two thousand, seven hundred forty".