56430920370 has 128 divisors (see below), whose sum is σ = 156635430912. Its totient is φ = 12881030400.

The previous prime is 56430920321. The next prime is 56430920387. The reversal of 56430920370 is 7302903465.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303967 + ... + 453053.

It is an arithmetic number, because the mean of its divisors is an integer number (1223714304).

Almost surely, 2^56430920370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56430920370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78317715456).

56430920370 is an abundant number, since it is smaller than the sum of its proper divisors (100204510542).

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

56430920370 is a wasteful number, since it uses less digits than its factorization.

56430920370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149176.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 56430920370 in words is "fifty-six billion, four hundred thirty million, nine hundred twenty thousand, three hundred seventy".