44397995400 has 1344 divisors, whose sum is σ = 187359436800. Its totient is φ = 9657792000.

The previous prime is 44397995387. The next prime is 44397995401. The reversal of 44397995400 is 459979344.

44397995400 is a `hidden beast` number, since 4 + 4 + 3 + 9 + 7 + 99 + 540 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (44397995401) by changing a digit.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 944638177 + ... + 944638223.

Almost surely, 2^44397995400 is an apocalyptic number.

44397995400 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 44397995400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93679718400).

44397995400 is an abundant number, since it is smaller than the sum of its proper divisors (142961441400).

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

44397995400 is a wasteful number, since it uses less digits than its factorization.

44397995400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 44397995400 in words is "forty-four billion, three hundred ninety-seven million, nine hundred ninety-five thousand, four hundred".