44156641 has 8 divisors (see below), whose sum is σ = 45239040. Its totient is φ = 43080288.

The previous prime is 44156639. The next prime is 44156659. The reversal of 44156641 is 14665144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44156641 - 2¹ = 44156639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44156611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15565 + ... + 18181.

It is an arithmetic number, because the mean of its divisors is an integer number (5654880).

Almost surely, 2^44156641 is an apocalyptic number.

It is an amenable number.

44156641 is a deficient number, since it is larger than the sum of its proper divisors (1082399).

44156641 is a wasteful number, since it uses less digits than its factorization.

44156641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023.

The product of its digits is 11520, while the sum is 31.

The square root of 44156641 is about 6645.0463504779. The cubic root of 44156641 is about 353.4532747150.

The spelling of 44156641 in words is "forty-four million, one hundred fifty-six thousand, six hundred forty-one".