44400471516 has 24 divisors (see below), whose sum is σ = 115112333840. Its totient is φ = 14800157136.

The previous prime is 44400471487. The next prime is 44400471541. The reversal of 44400471516 is 61517400444.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 205557631 + ... + 205557846.

Almost surely, 2^44400471516 is an apocalyptic number.

It is an amenable number.

44400471516 is an abundant number, since it is smaller than the sum of its proper divisors (70711862324).

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

44400471516 is a wasteful number, since it uses less digits than its factorization.

44400471516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411115490 (or 411115482 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 44400471516 in words is "forty-four billion, four hundred million, four hundred seventy-one thousand, five hundred sixteen".