44212240000 has 640 divisors, whose sum is σ = 129052440000. Its totient is φ = 14966784000.

The previous prime is 44212239989. The next prime is 44212240003. The reversal of 44212240000 is 4221244.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 44212240000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44212240003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 749359971 + ... + 749360029.

Almost surely, 2^44212240000 is an apocalyptic number.

44212240000 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 44212240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64526220000).

44212240000 is an abundant number, since it is smaller than the sum of its proper divisors (84840200000).

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

44212240000 is a wasteful number, since it uses less digits than its factorization.

44212240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 44212240000 its reverse (4221244), we get a palindrome (44216461244).

The spelling of 44212240000 in words is "forty-four billion, two hundred twelve million, two hundred forty thousand".