44417576664 has 40 divisors (see below), whose sum is σ = 124410343860. Its totient is φ = 14805858672.

The previous prime is 44417576561. The next prime is 44417576677. The reversal of 44417576664 is 46667571444.

It is a super-2 number, since 2×44417576664² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 44417576664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34272174 + ... + 34273469.

Almost surely, 2^44417576664 is an apocalyptic number.

It is an amenable number.

44417576664 is an abundant number, since it is smaller than the sum of its proper divisors (79992767196).

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

44417576664 is a wasteful number, since it uses less digits than its factorization.

44417576664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68545661 (or 68545648 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 44417576664 in words is "forty-four billion, four hundred seventeen million, five hundred seventy-six thousand, six hundred sixty-four".