544400232 has 32 divisors (see below), whose sum is σ = 1371724800. Its totient is φ = 180036864.

The previous prime is 544400221. The next prime is 544400243. The reversal of 544400232 is 232004445.

It is an interprime number because it is at equal distance from previous prime (544400221) and next prime (544400243).

It is a super-2 number, since 2×544400232² = 592743225203307648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86257 + ... + 92352.

It is an arithmetic number, because the mean of its divisors is an integer number (42866400).

Almost surely, 2^544400232 is an apocalyptic number.

It is an amenable number.

544400232 is an abundant number, since it is smaller than the sum of its proper divisors (827324568).

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

544400232 is a wasteful number, since it uses less digits than its factorization.

544400232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178745 (or 178741 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 544400232 is about 23332.3859045748. The cubic root of 544400232 is about 816.5311684866.

Adding to 544400232 its reverse (232004445), we get a palindrome (776404677).

The spelling of 544400232 in words is "five hundred forty-four million, four hundred thousand, two hundred thirty-two".