44421646 has 8 divisors (see below), whose sum is σ = 70552080. Its totient is φ = 20904288.

The previous prime is 44421617. The next prime is 44421653. The reversal of 44421646 is 64612444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 653226 + ... + 653293.

It is an arithmetic number, because the mean of its divisors is an integer number (8819010).

Almost surely, 2^44421646 is an apocalyptic number.

44421646 is a deficient number, since it is larger than the sum of its proper divisors (26130434).

44421646 is a wasteful number, since it uses less digits than its factorization.

44421646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306538.

The product of its digits is 18432, while the sum is 31.

The square root of 44421646 is about 6664.9565639995. The cubic root of 44421646 is about 354.1589452957.

The spelling of 44421646 in words is "forty-four million, four hundred twenty-one thousand, six hundred forty-six".