440424379 has 2 divisors, whose sum is σ = 440424380. Its totient is φ = 440424378.

The previous prime is 440424373. The next prime is 440424461. The reversal of 440424379 is 973424044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440424379 - 2¹³ = 440416187 is a prime.

It is not a weakly prime, because it can be changed into another prime (440424373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220212189 + 220212190.

It is an arithmetic number, because the mean of its divisors is an integer number (220212190).

Almost surely, 2^440424379 is an apocalyptic number.

440424379 is a deficient number, since it is larger than the sum of its proper divisors (1).

440424379 is an equidigital number, since it uses as much as digits as its factorization.

440424379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 440424379 is about 20986.2902629312. The cubic root of 440424379 is about 760.8349428454.

The spelling of 440424379 in words is "four hundred forty million, four hundred twenty-four thousand, three hundred seventy-nine".