56028138484420 has 48 divisors (see below), whose sum is σ = 120166963918848. Its totient is φ = 21933600900480.

The previous prime is 56028138484363. The next prime is 56028138484421. The reversal of 56028138484420 is 2448483182065.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56028138484421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24377230 + ... + 26576410.

It is an arithmetic number, because the mean of its divisors is an integer number (2503478414976).

Almost surely, 2^{56028138484420} is an apocalyptic number.

It is an amenable number.

56028138484420 is an abundant number, since it is smaller than the sum of its proper divisors (64138825434428).

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

56028138484420 is a wasteful number, since it uses less digits than its factorization.

56028138484420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226340 (or 2226338 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 56028138484420 in words is "fifty-six trillion, twenty-eight billion, one hundred thirty-eight million, four hundred eighty-four thousand, four hundred twenty".