551920624704 has 168 divisors, whose sum is σ = 1588887530880. Its totient is φ = 183172119552.

The previous prime is 551920624693. The next prime is 551920624711. The reversal of 551920624704 is 407426029155.

551920624704 is a `hidden beast` number, since 5 + 5 + 19 + 2 + 0 + 624 + 7 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 551920624704.

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, 156216922 + ... + 156220454.

Almost surely, 2^551920624704 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 551920624704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794443765440).

551920624704 is an abundant number, since it is smaller than the sum of its proper divisors (1036966906176).

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

551920624704 is a wasteful number, since it uses less digits than its factorization.

551920624704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 551920624704 in words is "five hundred fifty-one billion, nine hundred twenty million, six hundred twenty-four thousand, seven hundred four".