44158394 has 32 divisors (see below), whose sum is σ = 81648000. Its totient is φ = 17487360.

The previous prime is 44158391. The next prime is 44158399. The reversal of 44158394 is 49385144.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (44158391) 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, 8882 + ... + 12930.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500).

Almost surely, 2^44158394 is an apocalyptic number.

44158394 is a deficient number, since it is larger than the sum of its proper divisors (37489606).

44158394 is a wasteful number, since it uses less digits than its factorization.

44158394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118.

The product of its digits is 69120, while the sum is 38.

The square root of 44158394 is about 6645.1782519358. The cubic root of 44158394 is about 353.4579519684.

The spelling of 44158394 in words is "forty-four million, one hundred fifty-eight thousand, three hundred ninety-four".