549669431000 has 32 divisors (see below), whose sum is σ = 1286226470880. Its totient is φ = 219867772000.

The previous prime is 549669430987. The next prime is 549669431011. The reversal of 549669431000 is 134966945.

It is a happy number.

It is a super-2 number, since 2×549669431000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274833716 + ... + 274835715.

It is an arithmetic number, because the mean of its divisors is an integer number (40194577215).

Almost surely, 2^549669431000 is an apocalyptic number.

549669431000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

549669431000 is an abundant number, since it is smaller than the sum of its proper divisors (736557039880).

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

549669431000 is a wasteful number, since it uses less digits than its factorization.

549669431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549669452 (or 549669438 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 549669431000 in words is "five hundred forty-nine billion, six hundred sixty-nine million, four hundred thirty-one thousand".