44000022000 has 160 divisors (see below), whose sum is σ = 154752309504. Its totient is φ = 10666656000.

The previous prime is 44000021987. The next prime is 44000022113. The reversal of 44000022000 is 22000044.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 10.

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 31 ways as a sum of consecutive naturals, for example, 267334 + ... + 399333.

Almost surely, 2^44000022000 is an apocalyptic number.

44000022000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44000022000 is an abundant number, since it is smaller than the sum of its proper divisors (110752287504).

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

44000022000 is a wasteful number, since it uses less digits than its factorization.

44000022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666704 (or 666688 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 44000022000 its reverse (22000044), we get a palindrome (44022022044).

The spelling of 44000022000 in words is "forty-four billion, twenty-two thousand".