57490781674816 has 112 divisors (see below), whose sum is σ = 137300004149760. Its totient is φ = 23332432043520.

The previous prime is 57490781674771. The next prime is 57490781674817. The reversal of 57490781674816 is 61847618709475.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57490781674817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19121751 + ... + 21923113.

Almost surely, 2^{57490781674816} is an apocalyptic number.

57490781674816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57490781674816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68650002074880).

57490781674816 is an abundant number, since it is smaller than the sum of its proper divisors (79809222474944).

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

57490781674816 is a wasteful number, since it uses less digits than its factorization.

57490781674816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803812 (or 2803802 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 73.

The spelling of 57490781674816 in words is "fifty-seven trillion, four hundred ninety billion, seven hundred eighty-one million, six hundred seventy-four thousand, eight hundred sixteen".