440401007 has 2 divisors, whose sum is σ = 440401008. Its totient is φ = 440401006.

The previous prime is 440400971. The next prime is 440401051. The reversal of 440401007 is 700104044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440401007 - 2¹⁶ = 440335471 is a prime.

It is a super-2 number, since 2×440401007² = 387906093933228098, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440401007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440401207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220200503 + 220200504.

It is an arithmetic number, because the mean of its divisors is an integer number (220200504).

Almost surely, 2^440401007 is an apocalyptic number.

440401007 is a deficient number, since it is larger than the sum of its proper divisors (1).

440401007 is an equidigital number, since it uses as much as digits as its factorization.

440401007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 440401007 is about 20985.7334158232. The cubic root of 440401007 is about 760.8214841983.

The spelling of 440401007 in words is "four hundred forty million, four hundred one thousand, seven".