56620251425280 has 320 divisors, whose sum is σ = 185450349667968. Its totient is φ = 14728274903040.

The previous prime is 56620251425263. The next prime is 56620251425293. The reversal of 56620251425280 is 8252415202665.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4186952599 + ... + 4186966121.

Almost surely, 2^{56620251425280} 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 56620251425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92725174833984).

56620251425280 is an abundant number, since it is smaller than the sum of its proper divisors (128830098242688).

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

56620251425280 is a wasteful number, since it uses less digits than its factorization.

56620251425280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26887 (or 26871 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 56620251425280 in words is "fifty-six trillion, six hundred twenty billion, two hundred fifty-one million, four hundred twenty-five thousand, two hundred eighty".