57428382818 has 16 divisors (see below), whose sum is σ = 89303026176. Its totient is φ = 27668658720.

The previous prime is 57428382811. The next prime is 57428382877. The reversal of 57428382818 is 81828382475.

It is a super-2 number, since 2×57428382818² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57428382811) 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, 1973246 + ... + 2002137.

It is an arithmetic number, because the mean of its divisors is an integer number (5581439136).

Almost surely, 2^57428382818 is an apocalyptic number.

57428382818 is a deficient number, since it is larger than the sum of its proper divisors (31874643358).

57428382818 is a wasteful number, since it uses less digits than its factorization.

57428382818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975649.

The product of its digits is 6881280, while the sum is 56.

The spelling of 57428382818 in words is "fifty-seven billion, four hundred twenty-eight million, three hundred eighty-two thousand, eight hundred eighteen".