550366620464 has 20 divisors (see below), whose sum is σ = 1066408672560. Its totient is φ = 275164382400.

The previous prime is 550366620407. The next prime is 550366620467. The reversal of 550366620464 is 464026663055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (550366620467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941612 + ... + 1409739.

It is an arithmetic number, because the mean of its divisors is an integer number (53320433628).

Almost surely, 2^550366620464 is an apocalyptic number.

It is an amenable number.

550366620464 is a deficient number, since it is larger than the sum of its proper divisors (516042052096).

550366620464 is a wasteful number, since it uses less digits than its factorization.

550366620464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365988 (or 2365982 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 550366620464 in words is "five hundred fifty billion, three hundred sixty-six million, six hundred twenty thousand, four hundred sixty-four".