551244804404 has 12 divisors (see below), whose sum is σ = 1102489608864. Its totient is φ = 236247773304.

The previous prime is 551244804367. The next prime is 551244804419. The reversal of 551244804404 is 404408442155.

551244804404 is an admirable number.

It is a super-3 number, since 3×551244804404³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9843657194 + ... + 9843657249.

It is an arithmetic number, because the mean of its divisors is an integer number (91874134072).

Almost surely, 2^551244804404 is an apocalyptic number.

It is an amenable number.

551244804404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

551244804404 is a wasteful number, since it uses less digits than its factorization.

551244804404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19687314454 (or 19687314452 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 41.

The spelling of 551244804404 in words is "five hundred fifty-one billion, two hundred forty-four million, eight hundred four thousand, four hundred four".