44434681 has 2 divisors, whose sum is σ = 44434682. Its totient is φ = 44434680.

The previous prime is 44434667. The next prime is 44434697. The reversal of 44434681 is 18643444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41925625 + 2509056 = 6475^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 44434681 - 2⁷ = 44434553 is a prime.

It is a super-2 number, since 2×44434681² = 3948881751143522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44434081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22217340 + 22217341.

It is an arithmetic number, because the mean of its divisors is an integer number (22217341).

Almost surely, 2^44434681 is an apocalyptic number.

It is an amenable number.

44434681 is a deficient number, since it is larger than the sum of its proper divisors (1).

44434681 is an equidigital number, since it uses as much as digits as its factorization.

44434681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 34.

The square root of 44434681 is about 6665.9343681137. The cubic root of 44434681 is about 354.1935831415.

The spelling of 44434681 in words is "forty-four million, four hundred thirty-four thousand, six hundred eighty-one".