44199688 has 16 divisors (see below), whose sum is σ = 89249580. Its totient is φ = 20399808.

The previous prime is 44199671. The next prime is 44199689. The reversal of 44199688 is 88699144.

It can be written as a sum of positive squares in 2 ways, for example, as 35307364 + 8892324 = 5942^2 + 2982^2 .

It is a super-2 number, since 2×44199688² = 3907224838594688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44199689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212395 + ... + 212602.

Almost surely, 2^44199688 is an apocalyptic number.

It is an amenable number.

44199688 is an abundant number, since it is smaller than the sum of its proper divisors (45049892).

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

44199688 is a wasteful number, since it uses less digits than its factorization.

44199688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425016 (or 425012 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 44199688 is about 6648.2845907798. The cubic root of 44199688 is about 353.5680944507.

The spelling of 44199688 in words is "forty-four million, one hundred ninety-nine thousand, six hundred eighty-eight".