551071430460 has 96 divisors (see below), whose sum is σ = 1719957657600. Its totient is φ = 146479821120.

The previous prime is 551071430447. The next prime is 551071430461. The reversal of 551071430460 is 64034170155.

551071430460 is a `hidden beast` number, since 5 + 51 + 0 + 7 + 143 + 0 + 460 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551071430461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1472740 + ... + 1808619.

It is an arithmetic number, because the mean of its divisors is an integer number (17916225600).

Almost surely, 2^551071430460 is an apocalyptic number.

It is an amenable number.

551071430460 is an abundant number, since it is smaller than the sum of its proper divisors (1168886227140).

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

551071430460 is a wasteful number, since it uses less digits than its factorization.

551071430460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281688 (or 3281680 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 551071430460 in words is "five hundred fifty-one billion, seventy-one million, four hundred thirty thousand, four hundred sixty".