561074270456800 has 144 divisors (see below), whose sum is σ = 1458978882187680. Its totient is φ = 209963121704960.

The previous prime is 561074270456741. The next prime is 561074270456849. The reversal of 561074270456800 is 8654072470165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121248145 + ... + 125790544.

It is an arithmetic number, because the mean of its divisors is an integer number (10131797792970).

Almost surely, 2^{561074270456800} is an apocalyptic number.

561074270456800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561074270456800 is an abundant number, since it is smaller than the sum of its proper divisors (897904611730880).

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

561074270456800 is a wasteful number, since it uses less digits than its factorization.

561074270456800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247038893 (or 247038880 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 561074270456800 in words is "five hundred sixty-one trillion, seventy-four billion, two hundred seventy million, four hundred fifty-six thousand, eight hundred".