549387330436 has 24 divisors (see below), whose sum is σ = 1128471275456. Its totient is φ = 229088152800.

The previous prime is 549387330421. The next prime is 549387330449. The reversal of 549387330436 is 634033783945.

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, 265147290 + ... + 265149361.

Almost surely, 2^549387330436 is an apocalyptic number.

It is an amenable number.

549387330436 is an abundant number, since it is smaller than the sum of its proper divisors (579083945020).

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

549387330436 is a wasteful number, since it uses less digits than its factorization.

549387330436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530296699 (or 530296697 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 55.

The spelling of 549387330436 in words is "five hundred forty-nine billion, three hundred eighty-seven million, three hundred thirty thousand, four hundred thirty-six".