549490839548 has 48 divisors (see below), whose sum is σ = 1110655795200. Its totient is φ = 233004594816.

The previous prime is 549490839523. The next prime is 549490839607. The reversal of 549490839548 is 845938094945.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094528 + ... + 1515576.

It is an arithmetic number, because the mean of its divisors is an integer number (23138662400).

Almost surely, 2^549490839548 is an apocalyptic number.

It is an amenable number.

549490839548 is an abundant number, since it is smaller than the sum of its proper divisors (561164955652).

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

549490839548 is a wasteful number, since it uses less digits than its factorization.

549490839548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421554 (or 421552 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 68.

The spelling of 549490839548 in words is "five hundred forty-nine billion, four hundred ninety million, eight hundred thirty-nine thousand, five hundred forty-eight".