551154790404 has 27 divisors (see below), whose sum is σ = 1393208091093. Its totient is φ = 183716778672.

The previous prime is 551154790387. The next prime is 551154790427. The reversal of 551154790404 is 404097451155.

The square root of 551154790404 is 742398.

It is a perfect power (a square), and thus also a powerful number.

551154790404 is a `hidden beast` number, since 5 + 5 + 1 + 154 + 7 + 90 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 448082972100 + 103071818304 = 669390^2 + 321048^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 551154790404.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4392522 + ... + 4516254.

Almost surely, 2^551154790404 is an apocalyptic number.

551154790404 is the 742398-th square number.

It is an amenable number.

551154790404 is an abundant number, since it is smaller than the sum of its proper divisors (842053300689).

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

551154790404 is an frugal number, since it uses more digits than its factorization.

551154790404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247476 (or 123738 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 551154790404 in words is "five hundred fifty-one billion, one hundred fifty-four million, seven hundred ninety thousand, four hundred four".