44666690 has 16 divisors (see below), whose sum is σ = 83896128. Its totient is φ = 17089776.

The previous prime is 44666683. The next prime is 44666693. The reversal of 44666690 is 9666644.

It is a super-2 number, since 2×44666690² = 3990226391112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44666693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96872 + ... + 97331.

It is an arithmetic number, because the mean of its divisors is an integer number (5243508).

Almost surely, 2^44666690 is an apocalyptic number.

44666690 is a deficient number, since it is larger than the sum of its proper divisors (39229438).

44666690 is a wasteful number, since it uses less digits than its factorization.

44666690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194233.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 44666690 is about 6683.3142975623. The cubic root of 44666690 is about 354.8089694963.

The spelling of 44666690 in words is "forty-four million, six hundred sixty-six thousand, six hundred ninety".