44397041220 has 1440 divisors, whose sum is σ = 191714181120. Its totient is φ = 8375685120.

The previous prime is 44397041209. The next prime is 44397041257. The reversal of 44397041220 is 2214079344.

44397041220 is a `hidden beast` number, since 4 + 4 + 397 + 0 + 41 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 1432162605 + ... + 1432162635.

It is an arithmetic number, because the mean of its divisors is an integer number (133134848).

Almost surely, 2^44397041220 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 44397041220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95857090560).

44397041220 is an abundant number, since it is smaller than the sum of its proper divisors (147317139900).

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

44397041220 is a wasteful number, since it uses less digits than its factorization.

44397041220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 44397041220 in words is "forty-four billion, three hundred ninety-seven million, forty-one thousand, two hundred twenty".