44402242439 has 2 divisors, whose sum is σ = 44402242440. Its totient is φ = 44402242438.

The previous prime is 44402242373. The next prime is 44402242447. The reversal of 44402242439 is 93424220444.

44402242439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44402242439 is a prime.

It is a super-2 number, since 2×44402242439² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44402242139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22201121219 + 22201121220.

It is an arithmetic number, because the mean of its divisors is an integer number (22201121220).

Almost surely, 2^44402242439 is an apocalyptic number.

44402242439 is a deficient number, since it is larger than the sum of its proper divisors (1).

44402242439 is an equidigital number, since it uses as much as digits as its factorization.

44402242439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 44402242439 in words is "forty-four billion, four hundred two million, two hundred forty-two thousand, four hundred thirty-nine".