56342742720 has 448 divisors, whose sum is σ = 202679027712. Its totient is φ = 13142016000.

The previous prime is 56342742691. The next prime is 56342742721. The reversal of 56342742720 is 2724724365.

It is a super-2 number, since 2×56342742720² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56342742721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30274590 + ... + 30276450.

It is an arithmetic number, because the mean of its divisors is an integer number (452408544).

Almost surely, 2^56342742720 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 56342742720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101339513856).

56342742720 is an abundant number, since it is smaller than the sum of its proper divisors (146336284992).

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

56342742720 is a wasteful number, since it uses less digits than its factorization.

56342742720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 56342742720 in words is "fifty-six billion, three hundred forty-two million, seven hundred forty-two thousand, seven hundred twenty".