44021199000 has 256 divisors, whose sum is σ = 140244773760. Its totient is φ = 11493120000.

The previous prime is 44021198989. The next prime is 44021199037. The reversal of 44021199000 is 99112044.

It is a super-2 number, since 2×44021199000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 53618590 + ... + 53619410.

Almost surely, 2^44021199000 is an apocalyptic number.

44021199000 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 44021199000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70122386880).

44021199000 is an abundant number, since it is smaller than the sum of its proper divisors (96223574760).

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

44021199000 is a wasteful number, since it uses less digits than its factorization.

44021199000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 44021199000 in words is "forty-four billion, twenty-one million, one hundred ninety-nine thousand".