1056326580420 has 48 divisors (see below), whose sum is σ = 2972728237248. Its totient is φ = 280257201280.

The previous prime is 1056326580403. The next prime is 1056326580433. The reversal of 1056326580420 is 240856236501.

It is a super-2 number, since 2×1056326580420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44672046 + ... + 44695685.

It is an arithmetic number, because the mean of its divisors is an integer number (61931838276).

Almost surely, 2^{1056326580420} is an apocalyptic number.

1056326580420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056326580420 is an abundant number, since it is smaller than the sum of its proper divisors (1916401656828).

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

1056326580420 is a wasteful number, since it uses less digits than its factorization.

1056326580420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89367940 (or 89367938 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 1056326580420 in words is "one trillion, fifty-six billion, three hundred twenty-six million, five hundred eighty thousand, four hundred twenty".