44646668 has 12 divisors (see below), whose sum is σ = 85234632. Its totient is φ = 20293920.

The previous prime is 44646649. The next prime is 44646677. The reversal of 44646668 is 86664644.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1014697 = 44646668 / (4 + 4 + 6 + 4 + 6 + 6 + 6 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507305 + ... + 507392.

It is an arithmetic number, because the mean of its divisors is an integer number (7102886).

Almost surely, 2^44646668 is an apocalyptic number.

It is an amenable number.

44646668 is a deficient number, since it is larger than the sum of its proper divisors (40587964).

44646668 is a wasteful number, since it uses less digits than its factorization.

44646668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014712 (or 1014710 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The square root of 44646668 is about 6681.8162201605. The cubic root of 44646668 is about 354.7559467858.

The spelling of 44646668 in words is "forty-four million, six hundred forty-six thousand, six hundred sixty-eight".