549475372992 has 672 divisors, whose sum is σ = 1884387717120. Its totient is φ = 138191339520.

The previous prime is 549475372981. The next prime is 549475373003. The reversal of 549475372992 is 299273574945.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (549475372981) and next prime (549475373003).

It is a tau number, because it is divible by the number of its divisors (672).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 514008234 + ... + 514009302.

Almost surely, 2^549475372992 is an apocalyptic number.

549475372992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549475372992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942193858560).

549475372992 is an abundant number, since it is smaller than the sum of its proper divisors (1334912344128).

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

549475372992 is a wasteful number, since it uses less digits than its factorization.

549475372992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1198 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 66.

The spelling of 549475372992 in words is "five hundred forty-nine billion, four hundred seventy-five million, three hundred seventy-two thousand, nine hundred ninety-two".