544164240 has 80 divisors (see below), whose sum is σ = 1689177600. Its totient is φ = 144915456.

The previous prime is 544164209. The next prime is 544164251. The reversal of 544164240 is 42461445.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×544164240² = 592229440189555200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 544164198 and 544164207.

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, 308481 + ... + 310239.

It is an arithmetic number, because the mean of its divisors is an integer number (21114720).

Almost surely, 2^544164240 is an apocalyptic number.

It is an amenable number.

544164240 is an abundant number, since it is smaller than the sum of its proper divisors (1145013360).

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

544164240 is a wasteful number, since it uses less digits than its factorization.

544164240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3058 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 544164240 is about 23327.3281796266. The cubic root of 544164240 is about 816.4131654302.

The spelling of 544164240 in words is "five hundred forty-four million, one hundred sixty-four thousand, two hundred forty".