44727644728 has 16 divisors (see below), whose sum is σ = 90315436680. Its totient is φ = 20643528288.

The previous prime is 44727644713. The next prime is 44727644743. The reversal of 44727644728 is 82744672744.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44727644713) and next prime (44727644743).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215036650 + ... + 215036857.

Almost surely, 2^44727644728 is an apocalyptic number.

It is an amenable number.

44727644728 is an abundant number, since it is smaller than the sum of its proper divisors (45587791952).

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

44727644728 is a wasteful number, since it uses less digits than its factorization.

44727644728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430073526 (or 430073522 counting only the distinct ones).

The product of its digits is 16859136, while the sum is 55.

The spelling of 44727644728 in words is "forty-four billion, seven hundred twenty-seven million, six hundred forty-four thousand, seven hundred twenty-eight".