44665035648 has 32 divisors (see below), whose sum is σ = 118641501960. Its totient is φ = 14888345088.

The previous prime is 44665035581. The next prime is 44665035673. The reversal of 44665035648 is 84653056644.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×44665035648² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 44665035648.

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 in 3 ways as a sum of consecutive naturals, for example, 58157215 + ... + 58157982.

Almost surely, 2^44665035648 is an apocalyptic number.

44665035648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

44665035648 is an abundant number, since it is smaller than the sum of its proper divisors (73976466312).

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

44665035648 is a wasteful number, since it uses less digits than its factorization.

44665035648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116315214 (or 116315202 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 44665035648 in words is "forty-four billion, six hundred sixty-five million, thirty-five thousand, six hundred forty-eight".