44228633085 has 144 divisors (see below), whose sum is σ = 97259984640. Its totient is φ = 18426320640.

The previous prime is 44228633063. The next prime is 44228633089. The reversal of 44228633085 is 58033682244.

44228633085 is a `hidden beast` number, since 4 + 4 + 2 + 2 + 8 + 633 + 0 + 8 + 5 = 666.

It is not a de Polignac number, because 44228633085 - 2⁶ = 44228633021 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 44228633085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44228633089) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2254770 + ... + 2274300.

It is an arithmetic number, because the mean of its divisors is an integer number (675416560).

Almost surely, 2^44228633085 is an apocalyptic number.

44228633085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44228633085 is an abundant number, since it is smaller than the sum of its proper divisors (53031351555).

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

44228633085 is a wasteful number, since it uses less digits than its factorization.

44228633085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19648 (or 19638 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 44228633085 in words is "forty-four billion, two hundred twenty-eight million, six hundred thirty-three thousand, eighty-five".