44304138 has 32 divisors (see below), whose sum is σ = 99811200. Its totient is φ = 14564448.

The previous prime is 44304137. The next prime is 44304151. The reversal of 44304138 is 83140344.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44304137) 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, 1678 + ... + 9561.

It is an arithmetic number, because the mean of its divisors is an integer number (3119100).

Almost surely, 2^44304138 is an apocalyptic number.

44304138 is an abundant number, since it is smaller than the sum of its proper divisors (55507062).

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

44304138 is a wasteful number, since it uses less digits than its factorization.

44304138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323 (or 11317 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44304138 is about 6656.1353652101. The cubic root of 44304138 is about 353.8463855192.

The spelling of 44304138 in words is "forty-four million, three hundred four thousand, one hundred thirty-eight".