440233247 has 2 divisors, whose sum is σ = 440233248. Its totient is φ = 440233246.

The previous prime is 440233237. The next prime is 440233319. The reversal of 440233247 is 742332044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440233247 - 2⁴ = 440233231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440233217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220116623 + 220116624.

It is an arithmetic number, because the mean of its divisors is an integer number (220116624).

Almost surely, 2^440233247 is an apocalyptic number.

440233247 is a deficient number, since it is larger than the sum of its proper divisors (1).

440233247 is an equidigital number, since it uses as much as digits as its factorization.

440233247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 440233247 is about 20981.7360339892. The cubic root of 440233247 is about 760.7248664794.

The spelling of 440233247 in words is "four hundred forty million, two hundred thirty-three thousand, two hundred forty-seven".