44440691 has 2 divisors, whose sum is σ = 44440692. Its totient is φ = 44440690.

The previous prime is 44440687. The next prime is 44440741. The reversal of 44440691 is 19604444.

44440691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44440691 - 2² = 44440687 is a prime.

It is a super-3 number, since 3×44440691³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (44440651) 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 as a sum of consecutive naturals, namely, 22220345 + 22220346.

It is an arithmetic number, because the mean of its divisors is an integer number (22220346).

Almost surely, 2^44440691 is an apocalyptic number.

44440691 is a deficient number, since it is larger than the sum of its proper divisors (1).

44440691 is an equidigital number, since it uses as much as digits as its factorization.

44440691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 44440691 is about 6666.3851523896. The cubic root of 44440691 is about 354.2095512054.

The spelling of 44440691 in words is "forty-four million, four hundred forty thousand, six hundred ninety-one".