44642246624464 has 40 divisors (see below), whose sum is σ = 87218604417672. Its totient is φ = 22134918389760.

The previous prime is 44642246624453. The next prime is 44642246624519. The reversal of 44642246624464 is 46442664224644.

It can be written as a sum of positive squares in 4 ways, for example, as 3434320588864 + 41207926035600 = 1853192^2 + 6419340^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44642246624399 and 44642246624408.

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, 20812189 + ... + 22856764.

Almost surely, 2^{44642246624464} is an apocalyptic number.

It is an amenable number.

44642246624464 is a deficient number, since it is larger than the sum of its proper divisors (42576357793208).

44642246624464 is a wasteful number, since it uses less digits than its factorization.

44642246624464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43669495 (or 43669489 counting only the distinct ones).

The product of its digits is 169869312, while the sum is 58.

The spelling of 44642246624464 in words is "forty-four trillion, six hundred forty-two billion, two hundred forty-six million, six hundred twenty-four thousand, four hundred sixty-four".