57123440382 has 16 divisors (see below), whose sum is σ = 114304401792. Its totient is φ = 19031559960.

The previous prime is 57123440377. The next prime is 57123440399. The reversal of 57123440382 is 28304432175.

It is a self number, because there is not a number n which added to its sum of digits gives 57123440382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383794 + ... + 2407637.

It is an arithmetic number, because the mean of its divisors is an integer number (7144025112).

Almost surely, 2^57123440382 is an apocalyptic number.

57123440382 is an abundant number, since it is smaller than the sum of its proper divisors (57180961410).

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

57123440382 is a wasteful number, since it uses less digits than its factorization.

57123440382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793423.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 57123440382 in words is "fifty-seven billion, one hundred twenty-three million, four hundred forty thousand, three hundred eighty-two".