44864646 has 32 divisors (see below), whose sum is σ = 93693408. Its totient is φ = 14307840.

The previous prime is 44864641. The next prime is 44864647. The reversal of 44864646 is 64646844.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44864598 and 44864607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44864641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11886 + ... + 15198.

It is an arithmetic number, because the mean of its divisors is an integer number (2927919).

Almost surely, 2^44864646 is an apocalyptic number.

44864646 is an abundant number, since it is smaller than the sum of its proper divisors (48828762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44864646 is a wasteful number, since it uses less digits than its factorization.

44864646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416.

The product of its digits is 442368, while the sum is 42.

The square root of 44864646 is about 6698.1076432079. The cubic root of 44864646 is about 355.3323502662.

The spelling of 44864646 in words is "forty-four million, eight hundred sixty-four thousand, six hundred forty-six".