44007881 has 4 divisors (see below), whose sum is σ = 44278032. Its totient is φ = 43737732.

The previous prime is 44007871. The next prime is 44007979. The reversal of 44007881 is 18870044.

44007881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44007881 is a prime.

It is a super-2 number, since 2×44007881² = 3873387180220322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44007841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134831 + ... + 135156.

It is an arithmetic number, because the mean of its divisors is an integer number (11069508).

Almost surely, 2^44007881 is an apocalyptic number.

It is an amenable number.

44007881 is a deficient number, since it is larger than the sum of its proper divisors (270151).

44007881 is a wasteful number, since it uses less digits than its factorization.

44007881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270150.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 44007881 is about 6633.8436068391. The cubic root of 44007881 is about 353.0559100586.

The spelling of 44007881 in words is "forty-four million, seven thousand, eight hundred eighty-one".