56730521325040 has 20 divisors (see below), whose sum is σ = 131898462080904. Its totient is φ = 22692208529984.

The previous prime is 56730521325031. The next prime is 56730521325043. The reversal of 56730521325040 is 4052312503765.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56730521325043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354565758202 + ... + 354565758361.

Almost surely, 2^{56730521325040} is an apocalyptic number.

It is an amenable number.

56730521325040 is an abundant number, since it is smaller than the sum of its proper divisors (75167940755864).

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

56730521325040 is a wasteful number, since it uses less digits than its factorization.

56730521325040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709131516576 (or 709131516570 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 56730521325040 in words is "fifty-six trillion, seven hundred thirty billion, five hundred twenty-one million, three hundred twenty-five thousand, forty".