44042429 has 2 divisors, whose sum is σ = 44042430. Its totient is φ = 44042428.

The previous prime is 44042423. The next prime is 44042443. The reversal of 44042429 is 92424044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41860900 + 2181529 = 6470^2 + 1477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44042429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44042423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22021214 + 22021215.

It is an arithmetic number, because the mean of its divisors is an integer number (22021215).

Almost surely, 2^44042429 is an apocalyptic number.

It is an amenable number.

44042429 is a deficient number, since it is larger than the sum of its proper divisors (1).

44042429 is an equidigital number, since it uses as much as digits as its factorization.

44042429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 44042429 is about 6636.4470162882. The cubic root of 44042429 is about 353.1482737056.

The spelling of 44042429 in words is "forty-four million, forty-two thousand, four hundred twenty-nine".