444531024728 has 32 divisors (see below), whose sum is σ = 968182332960. Its totient is φ = 187390126080.

The previous prime is 444531024683. The next prime is 444531024761. The reversal of 444531024728 is 827420135444.

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, 65062601 + ... + 65069432.

It is an arithmetic number, because the mean of its divisors is an integer number (30255697905).

Almost surely, 2^444531024728 is an apocalyptic number.

It is an amenable number.

444531024728 is an abundant number, since it is smaller than the sum of its proper divisors (523651308232).

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

444531024728 is a wasteful number, since it uses less digits than its factorization.

444531024728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130132107 (or 130132103 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 444531024728 in words is "four hundred forty-four billion, five hundred thirty-one million, twenty-four thousand, seven hundred twenty-eight".