44447127728 has 20 divisors (see below), whose sum is σ = 90648747960. Its totient is φ = 21053902464.

The previous prime is 44447127727. The next prime is 44447127761. The reversal of 44447127728 is 82772174444.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (44447127727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73103525 + ... + 73104132.

It is an arithmetic number, because the mean of its divisors is an integer number (4532437398).

Almost surely, 2^44447127728 is an apocalyptic number.

It is an amenable number.

44447127728 is an abundant number, since it is smaller than the sum of its proper divisors (46201620232).

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

44447127728 is a wasteful number, since it uses less digits than its factorization.

44447127728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146207684 (or 146207678 counting only the distinct ones).

The product of its digits is 2809856, while the sum is 50.

The spelling of 44447127728 in words is "forty-four billion, four hundred forty-seven million, one hundred twenty-seven thousand, seven hundred twenty-eight".