44664055646 has 16 divisors (see below), whose sum is σ = 76614284160. Its totient is φ = 19129905240.

The previous prime is 44664055637. The next prime is 44664055661. The reversal of 44664055646 is 64655046644.

It is a junction number, because it is equal to n+sod(n) for n = 44664055594 and 44664055603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962600 + ... + 1007931.

It is an arithmetic number, because the mean of its divisors is an integer number (4788392760).

Almost surely, 2^44664055646 is an apocalyptic number.

44664055646 is a deficient number, since it is larger than the sum of its proper divisors (31950228514).

44664055646 is a wasteful number, since it uses less digits than its factorization.

44664055646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972159.

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 44664055646 in words is "forty-four billion, six hundred sixty-four million, fifty-five thousand, six hundred forty-six".