551328469888 has 64 divisors (see below), whose sum is σ = 1329095455200. Its totient is φ = 222384586752.

The previous prime is 551328469849. The next prime is 551328469903. The reversal of 551328469888 is 888964823155.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18082473 + ... + 18112936.

Almost surely, 2^551328469888 is an apocalyptic number.

It is an amenable number.

551328469888 is an abundant number, since it is smaller than the sum of its proper divisors (777766985312).

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

551328469888 is a wasteful number, since it uses less digits than its factorization.

551328469888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36195447 (or 36195435 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 67.

The spelling of 551328469888 in words is "five hundred fifty-one billion, three hundred twenty-eight million, four hundred sixty-nine thousand, eight hundred eighty-eight".