549498267840 has 112 divisors (see below), whose sum is σ = 1847283937632. Its totient is φ = 137913286656.

The previous prime is 549498267827. The next prime is 549498267889. The reversal of 549498267840 is 48762894945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16818799 + ... + 16851438.

It is an arithmetic number, because the mean of its divisors is an integer number (16493606586).

Almost surely, 2^549498267840 is an apocalyptic number.

It is an amenable number.

549498267840 is an abundant number, since it is smaller than the sum of its proper divisors (1297785669792).

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

549498267840 is a wasteful number, since it uses less digits than its factorization.

549498267840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33670274 (or 33670264 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 549498267840 in words is "five hundred forty-nine billion, four hundred ninety-eight million, two hundred sixty-seven thousand, eight hundred forty".