440433479 has 2 divisors, whose sum is σ = 440433480. Its totient is φ = 440433478.

The previous prime is 440433449. The next prime is 440433557. The reversal of 440433479 is 974334044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440433479 - 2⁸ = 440433223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440433419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220216739 + 220216740.

It is an arithmetic number, because the mean of its divisors is an integer number (220216740).

Almost surely, 2^440433479 is an apocalyptic number.

440433479 is a deficient number, since it is larger than the sum of its proper divisors (1).

440433479 is an equidigital number, since it uses as much as digits as its factorization.

440433479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 440433479 is about 20986.5070700200. The cubic root of 440433479 is about 760.8401829053.

The spelling of 440433479 in words is "four hundred forty million, four hundred thirty-three thousand, four hundred seventy-nine".