44215961 has 4 divisors (see below), whose sum is σ = 44257152. Its totient is φ = 44174772.

The previous prime is 44215949. The next prime is 44215967. The reversal of 44215961 is 16951244.

44215961 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 not a de Polignac number, because 44215961 - 2¹⁴ = 44199577 is a prime.

It is a super-3 number, since 3×44215961³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44215967) 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, 18941 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (11064288).

Almost surely, 2^44215961 is an apocalyptic number.

It is an amenable number.

44215961 is a deficient number, since it is larger than the sum of its proper divisors (41191).

44215961 is a wasteful number, since it uses less digits than its factorization.

44215961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41190.

The product of its digits is 8640, while the sum is 32.

The square root of 44215961 is about 6649.5083276886. The cubic root of 44215961 is about 353.6114801841.

The spelling of 44215961 in words is "forty-four million, two hundred fifteen thousand, nine hundred sixty-one".