56281260780 has 120 divisors (see below), whose sum is σ = 185848943280. Its totient is φ = 14218416000.

The previous prime is 56281260727. The next prime is 56281260781. The reversal of 56281260780 is 8706218265.

56281260780 is a `hidden beast` number, since 5 + 6 + 28 + 12 + 607 + 8 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (56281260781) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 883471 + ... + 945030.

It is an arithmetic number, because the mean of its divisors is an integer number (1548741194).

Almost surely, 2^56281260780 is an apocalyptic number.

It is an amenable number.

56281260780 is an abundant number, since it is smaller than the sum of its proper divisors (129567682500).

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

56281260780 is a wasteful number, since it uses less digits than its factorization.

56281260780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828541 (or 1828530 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 56281260780 in words is "fifty-six billion, two hundred eighty-one million, two hundred sixty thousand, seven hundred eighty".