44204381 has 16 divisors (see below), whose sum is σ = 50593200. Its totient is φ = 38320128.

The previous prime is 44204353. The next prime is 44204383. The reversal of 44204381 is 18340244.

It can be written as a sum of positive squares in 8 ways, for example, as 2149156 + 42055225 = 1466^2 + 6485^2 .

It is a cyclic number.

It is not a de Polignac number, because 44204381 - 2²² = 40010077 is a prime.

It is a super-2 number, since 2×44204381² = 3908054599186322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44204381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44204383) 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 15 ways as a sum of consecutive naturals, for example, 12365 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (3162075).

Almost surely, 2^44204381 is an apocalyptic number.

It is an amenable number.

44204381 is a deficient number, since it is larger than the sum of its proper divisors (6388819).

44204381 is a wasteful number, since it uses less digits than its factorization.

44204381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 44204381 is about 6648.6375295996. The cubic root of 44204381 is about 353.5806076336.

The spelling of 44204381 in words is "forty-four million, two hundred four thousand, three hundred eighty-one".