44291978496 has 144 divisors (see below), whose sum is σ = 131560833600. Its totient is φ = 14698432512.

The previous prime is 44291978491. The next prime is 44291978501. The reversal of 44291978496 is 69487919244.

44291978496 is a `hidden beast` number, since 44 + 29 + 19 + 78 + 496 = 666.

It is an interprime number because it is at equal distance from previous prime (44291978491) and next prime (44291978501).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44291978491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554910 + ... + 1583138.

It is an arithmetic number, because the mean of its divisors is an integer number (913616900).

Almost surely, 2^44291978496 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 44291978496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65780416800).

44291978496 is an abundant number, since it is smaller than the sum of its proper divisors (87268855104).

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

44291978496 is a wasteful number, since it uses less digits than its factorization.

44291978496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28481 (or 28461 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 44291978496 in words is "forty-four billion, two hundred ninety-one million, nine hundred seventy-eight thousand, four hundred ninety-six".