549864612 has 240 divisors, whose sum is σ = 1659740544. Its totient is φ = 157248000.

The previous prime is 549864599. The next prime is 549864631. The reversal of 549864612 is 216468945.

Its product of digits (414720) is a multiple of the sum of its prime factors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7744537 + ... + 7744607.

Almost surely, 2^549864612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549864612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829870272).

549864612 is an abundant number, since it is smaller than the sum of its proper divisors (1109875932).

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

549864612 is a wasteful number, since it uses less digits than its factorization.

549864612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 181 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 549864612 is about 23449.1921396026. The cubic root of 549864612 is about 819.2540370423.

The spelling of 549864612 in words is "five hundred forty-nine million, eight hundred sixty-four thousand, six hundred twelve".