220044610044 has 120 divisors (see below), whose sum is σ = 660240348768. Its totient is φ = 62599910400.

The previous prime is 220044610033. The next prime is 220044610063. The reversal of 220044610044 is 440016440022.

It is a happy number.

220044610044 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 4 + 4 + 610 + 0 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 320244 + ... + 736644.

Almost surely, 2^220044610044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220044610044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330120174384).

220044610044 is an abundant number, since it is smaller than the sum of its proper divisors (440195738724).

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

220044610044 is a wasteful number, since it uses less digits than its factorization.

220044610044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416657 (or 416646 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The spelling of 220044610044 in words is "two hundred twenty billion, forty-four million, six hundred ten thousand, forty-four".