544343904 has 72 divisors (see below), whose sum is σ = 1667064672. Its totient is φ = 167489280.

The previous prime is 544343903. The next prime is 544343909. The reversal of 544343904 is 409343445.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×544343904³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544343903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68952 + ... + 76439.

It is an arithmetic number, because the mean of its divisors is an integer number (23153676).

Almost surely, 2^544343904 is an apocalyptic number.

It is an amenable number.

544343904 is an abundant number, since it is smaller than the sum of its proper divisors (1122720768).

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

544343904 is a wasteful number, since it uses less digits than its factorization.

544343904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145420 (or 145409 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 544343904 is about 23331.1787957660. The cubic root of 544343904 is about 816.5030059013.

The spelling of 544343904 in words is "five hundred forty-four million, three hundred forty-three thousand, nine hundred four".