44464646 has 4 divisors (see below), whose sum is σ = 66696972. Its totient is φ = 22232322.

The previous prime is 44464613. The next prime is 44464649. The reversal of 44464646 is 64646444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44464649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116160 + ... + 11116163.

It is an arithmetic number, because the mean of its divisors is an integer number (16674243).

Almost surely, 2^44464646 is an apocalyptic number.

44464646 is a deficient number, since it is larger than the sum of its proper divisors (22232326).

44464646 is a wasteful number, since it uses less digits than its factorization.

44464646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22232325.

The product of its digits is 221184, while the sum is 38.

The square root of 44464646 is about 6668.1816112041. The cubic root of 44464646 is about 354.2731833218.

The spelling of 44464646 in words is "forty-four million, four hundred sixty-four thousand, six hundred forty-six".