44078791872 has 112 divisors (see below), whose sum is σ = 122185167872. Its totient is φ = 14006615040.

The previous prime is 44078791871. The next prime is 44078791873. The reversal of 44078791872 is 27819787044.

It is an interprime number because it is at equal distance from previous prime (44078791871) and next prime (44078791873).

It is not an unprimeable number, because it can be changed into a prime (44078791871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343518 + ... + 454050.

Almost surely, 2^44078791872 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 44078791872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61092583936).

44078791872 is an abundant number, since it is smaller than the sum of its proper divisors (78106376000).

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

44078791872 is a wasteful number, since it uses less digits than its factorization.

44078791872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110646 (or 110636 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 57.

The spelling of 44078791872 in words is "forty-four billion, seventy-eight million, seven hundred ninety-one thousand, eight hundred seventy-two".