44728866000 has 1440 divisors, whose sum is σ = 202280053248. Its totient is φ = 9125222400.

The previous prime is 44728865989. The next prime is 44728866019. The reversal of 44728866000 is 66882744.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 538901959 + ... + 538902041.

Almost surely, 2^44728866000 is an apocalyptic number.

44728866000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44728866000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101140026624).

44728866000 is an abundant number, since it is smaller than the sum of its proper divisors (157551187248).

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

44728866000 is a wasteful number, since it uses less digits than its factorization.

44728866000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 44728866000 in words is "forty-four billion, seven hundred twenty-eight million, eight hundred sixty-six thousand".