44059681 has 4 divisors (see below), whose sum is σ = 44201664. Its totient is φ = 43917700.

The previous prime is 44059679. The next prime is 44059709. The reversal of 44059681 is 18695044.

It is a happy number.

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 not a de Polignac number, because 44059681 - 2¹ = 44059679 is a prime.

It is a super-2 number, since 2×44059681² = 3882510979643522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44059681.

It is not an unprimeable number, because it can be changed into a prime (44059621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70525 + ... + 71146.

It is an arithmetic number, because the mean of its divisors is an integer number (11050416).

Almost surely, 2^44059681 is an apocalyptic number.

It is an amenable number.

44059681 is a deficient number, since it is larger than the sum of its proper divisors (141983).

44059681 is a wasteful number, since it uses less digits than its factorization.

44059681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141982.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 44059681 is about 6637.7466809151. The cubic root of 44059681 is about 353.1943786308.

The spelling of 44059681 in words is "forty-four million, fifty-nine thousand, six hundred eighty-one".