44021090 has 16 divisors (see below), whose sum is σ = 79315200. Its totient is φ = 17591280.

The previous prime is 44021069. The next prime is 44021113. The reversal of 44021090 is 9012044.

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, 15695 + ... + 18285.

It is an arithmetic number, because the mean of its divisors is an integer number (4957200).

Almost surely, 2^44021090 is an apocalyptic number.

44021090 is a deficient number, since it is larger than the sum of its proper divisors (35294110).

44021090 is a wasteful number, since it uses less digits than its factorization.

44021090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 44021090 is about 6634.8391088255. The cubic root of 44021090 is about 353.0912298611.

The spelling of 44021090 in words is "forty-four million, twenty-one thousand, ninety".