56377405480 has 128 divisors (see below), whose sum is σ = 139933008000. Its totient is φ = 20271677440.

The previous prime is 56377405387. The next prime is 56377405481. The reversal of 56377405480 is 8450477365.

It is a super-4 number, since 4×56377405480⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (56377405481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43736676 + ... + 43737964.

It is an arithmetic number, because the mean of its divisors is an integer number (1093226625).

Almost surely, 2^56377405480 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 56377405480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69966504000).

56377405480 is an abundant number, since it is smaller than the sum of its proper divisors (83555602520).

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

56377405480 is a wasteful number, since it uses less digits than its factorization.

56377405480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 56377405480 in words is "fifty-six billion, three hundred seventy-seven million, four hundred five thousand, four hundred eighty".