550622425644 has 72 divisors (see below), whose sum is σ = 1458281847568. Its totient is φ = 181648604160.

The previous prime is 550622425631. The next prime is 550622425687. The reversal of 550622425644 is 446524226055.

550622425644 is a `hidden beast` number, since 5 + 5 + 0 + 62 + 24 + 2 + 564 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 550622425644.

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 23 ways as a sum of consecutive naturals, for example, 2825737 + ... + 3014304.

Almost surely, 2^550622425644 is an apocalyptic number.

550622425644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

550622425644 is an abundant number, since it is smaller than the sum of its proper divisors (907659421924).

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

550622425644 is a wasteful number, since it uses less digits than its factorization.

550622425644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840157 (or 5840143 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 550622425644 in words is "five hundred fifty billion, six hundred twenty-two million, four hundred twenty-five thousand, six hundred forty-four".