44668905 has 16 divisors (see below), whose sum is σ = 75232320. Its totient is φ = 22569408.

The previous prime is 44668889. The next prime is 44668927. The reversal of 44668905 is 50986644.

44668905 = 2109² + 2110² + ... + 2118².

It is not a de Polignac number, because 44668905 - 2⁴ = 44668889 is a prime.

It is a super-2 number, since 2×44668905² = 3990622147798050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78082 + ... + 78651.

It is an arithmetic number, because the mean of its divisors is an integer number (4702020).

Almost surely, 2^44668905 is an apocalyptic number.

It is an amenable number.

44668905 is a deficient number, since it is larger than the sum of its proper divisors (30563415).

44668905 is a wasteful number, since it uses less digits than its factorization.

44668905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156760.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 44668905 is about 6683.4800067031. The cubic root of 44668905 is about 354.8148343356.

The spelling of 44668905 in words is "forty-four million, six hundred sixty-eight thousand, nine hundred five".