44398540368 has 200 divisors, whose sum is σ = 158157043968. Its totient is φ = 11709474048.

The previous prime is 44398540309. The next prime is 44398540391. The reversal of 44398540368 is 86304589344.

44398540368 is a `hidden beast` number, since 4 + 4 + 3 + 98 + 540 + 3 + 6 + 8 = 666.

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

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 39 ways as a sum of consecutive naturals, for example, 70296 + ... + 306167.

Almost surely, 2^44398540368 is an apocalyptic number.

44398540368 is a gapful number since it is divisible by the number (48) 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 44398540368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79078521984).

44398540368 is an abundant number, since it is smaller than the sum of its proper divisors (113758503600).

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

44398540368 is a wasteful number, since it uses less digits than its factorization.

44398540368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376503 (or 376488 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 44398540368 in words is "forty-four billion, three hundred ninety-eight million, five hundred forty thousand, three hundred sixty-eight".