544131816 has 64 divisors (see below), whose sum is σ = 1376025600. Its totient is φ = 179299008.

The previous prime is 544131811. The next prime is 544131821. The reversal of 544131816 is 618131445.

It is an interprime number because it is at equal distance from previous prime (544131811) and next prime (544131821).

It is not an unprimeable number, because it can be changed into a prime (544131811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435515 + ... + 1435893.

It is an arithmetic number, because the mean of its divisors is an integer number (21500400).

Almost surely, 2^544131816 is an apocalyptic number.

It is an amenable number.

544131816 is an abundant number, since it is smaller than the sum of its proper divisors (831893784).

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

544131816 is a wasteful number, since it uses less digits than its factorization.

544131816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 914 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 544131816 is about 23326.6331904113. The cubic root of 544131816 is about 816.3969497951.

The spelling of 544131816 in words is "five hundred forty-four million, one hundred thirty-one thousand, eight hundred sixteen".