44624664440 has 64 divisors (see below), whose sum is σ = 100806314400. Its totient is φ = 17778737152.

The previous prime is 44624664373. The next prime is 44624664449. The reversal of 44624664440 is 4446642644.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44624664391 and 44624664400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44624664449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19893959 + ... + 19896201.

Almost surely, 2^44624664440 is an apocalyptic number.

44624664440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44624664440 is an abundant number, since it is smaller than the sum of its proper divisors (56181649960).

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

44624664440 is a wasteful number, since it uses less digits than its factorization.

44624664440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016 (or 4012 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 44.

The spelling of 44624664440 in words is "forty-four billion, six hundred twenty-four million, six hundred sixty-four thousand, four hundred forty".