56128293241720 has 48 divisors (see below), whose sum is σ = 146907216500040. Its totient is φ = 19243986253632.

The previous prime is 56128293241679. The next prime is 56128293241753. The reversal of 56128293241720 is 2714239282165.

It is a super-2 number, since 2×56128293241720² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14318440194 + ... + 14318444113.

It is a 1-persistent number, because it is pandigital, but 2⋅56128293241720 = 112256586483440 is not.

Almost surely, 2^{56128293241720} is an apocalyptic number.

It is an amenable number.

56128293241720 is an abundant number, since it is smaller than the sum of its proper divisors (90778923258320).

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

56128293241720 is a wasteful number, since it uses less digits than its factorization.

56128293241720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28636884332 (or 28636884321 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 56128293241720 in words is "fifty-six trillion, one hundred twenty-eight billion, two hundred ninety-three million, two hundred forty-one thousand, seven hundred twenty".