44409961 has 2 divisors, whose sum is σ = 44409962. Its totient is φ = 44409960.

The previous prime is 44409943. The next prime is 44409997. The reversal of 44409961 is 16990444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38378025 + 6031936 = 6195^2 + 2456^2 .

It is a cyclic number.

It is not a de Polignac number, because 44409961 - 2¹³ = 44401769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44409961.

It is not a weakly prime, because it can be changed into another prime (44409161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22204980 + 22204981.

It is an arithmetic number, because the mean of its divisors is an integer number (22204981).

Almost surely, 2^44409961 is an apocalyptic number.

It is an amenable number.

44409961 is a deficient number, since it is larger than the sum of its proper divisors (1).

44409961 is an equidigital number, since it uses as much as digits as its factorization.

44409961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 44409961 is about 6664.0799064837. The cubic root of 44409961 is about 354.1278890385.

The spelling of 44409961 in words is "forty-four million, four hundred nine thousand, nine hundred sixty-one".