44047680 has 112 divisors (see below), whose sum is σ = 148132800. Its totient is φ = 11051008.

The previous prime is 44047667. The next prime is 44047687. The reversal of 44047680 is 8674044.

It is a super-2 number, since 2×44047680² = 3880396226764800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44047687) 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, 14971 + ... + 17669.

Almost surely, 2^44047680 is an apocalyptic number.

44047680 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 44047680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74066400).

44047680 is an abundant number, since it is smaller than the sum of its proper divisors (104085120).

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

44047680 is a wasteful number, since it uses less digits than its factorization.

44047680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 44047680 is about 6636.8426228140. The cubic root of 44047680 is about 353.1623079595.

The spelling of 44047680 in words is "forty-four million, forty-seven thousand, six hundred eighty".