549419964 has 24 divisors (see below), whose sum is σ = 1326186960. Its totient is φ = 176824704.

The previous prime is 549419953. The next prime is 549419999. The reversal of 549419964 is 469914945.

It is a super-2 number, since 2×549419964² = 603724593683522592, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 789049 + ... + 789744.

It is an arithmetic number, because the mean of its divisors is an integer number (55257790).

Almost surely, 2^549419964 is an apocalyptic number.

It is an amenable number.

549419964 is an abundant number, since it is smaller than the sum of its proper divisors (776766996).

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

549419964 is a wasteful number, since it uses less digits than its factorization.

549419964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578829 (or 1578827 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 549419964 is about 23439.7091278881. The cubic root of 549419964 is about 819.0331475743.

The spelling of 549419964 in words is "five hundred forty-nine million, four hundred nineteen thousand, nine hundred sixty-four".