44565749464 has 8 divisors (see below), whose sum is σ = 83560780260. Its totient is φ = 22282874728.

The previous prime is 44565749447. The next prime is 44565749471. The reversal of 44565749464 is 46494756544.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×44565749464² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44565749399 and 44565749408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785359334 + ... + 2785359349.

Almost surely, 2^44565749464 is an apocalyptic number.

It is an amenable number.

44565749464 is a deficient number, since it is larger than the sum of its proper divisors (38995030796).

44565749464 is a wasteful number, since it uses less digits than its factorization.

44565749464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570718689 (or 5570718685 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 58.

The spelling of 44565749464 in words is "forty-four billion, five hundred sixty-five million, seven hundred forty-nine thousand, four hundred sixty-four".