44399994 has 16 divisors (see below), whose sum is σ = 90865632. Its totient is φ = 14455728.

The previous prime is 44399981. The next prime is 44400001. The reversal of 44399994 is 49999344.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85789 + ... + 86304.

It is an arithmetic number, because the mean of its divisors is an integer number (5679102).

Almost surely, 2^44399994 is an apocalyptic number.

44399994 is an abundant number, since it is smaller than the sum of its proper divisors (46465638).

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

44399994 is a wasteful number, since it uses less digits than its factorization.

44399994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172141.

The product of its digits is 1259712, while the sum is 51.

The square root of 44399994 is about 6663.3320493579. The cubic root of 44399994 is about 354.1013945564.

The spelling of 44399994 in words is "forty-four million, three hundred ninety-nine thousand, nine hundred ninety-four".