440563379 has 2 divisors, whose sum is σ = 440563380. Its totient is φ = 440563378.

The previous prime is 440563303. The next prime is 440563397. The reversal of 440563379 is 973365044.

Together with next prime (440563397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440563379 - 2¹² = 440559283 is a prime.

It is not a weakly prime, because it can be changed into another prime (440563399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220281689 + 220281690.

It is an arithmetic number, because the mean of its divisors is an integer number (220281690).

Almost surely, 2^440563379 is an apocalyptic number.

440563379 is a deficient number, since it is larger than the sum of its proper divisors (1).

440563379 is an equidigital number, since it uses as much as digits as its factorization.

440563379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 440563379 is about 20989.6016875023. The cubic root of 440563379 is about 760.9149754521.

The spelling of 440563379 in words is "four hundred forty million, five hundred sixty-three thousand, three hundred seventy-nine".