544987404 has 36 divisors (see below), whose sum is σ = 1483578096. Its totient is φ = 167688288.

The previous prime is 544987397. The next prime is 544987423. The reversal of 544987404 is 404789445.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×544987404² = 594022541037318432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 544987404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581784 + ... + 582719.

Almost surely, 2^544987404 is an apocalyptic number.

It is an amenable number.

544987404 is an abundant number, since it is smaller than the sum of its proper divisors (938590692).

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

544987404 is a wasteful number, since it uses less digits than its factorization.

544987404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164526 (or 1164521 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 544987404 is about 23344.9652816191. The cubic root of 544987404 is about 816.8246241365.

The spelling of 544987404 in words is "five hundred forty-four million, nine hundred eighty-seven thousand, four hundred four".