440179379 has 2 divisors, whose sum is σ = 440179380. Its totient is φ = 440179378.

The previous prime is 440179373. The next prime is 440179423. The reversal of 440179379 is 973971044.

It is a happy number.

It is an a-pointer prime, because the next prime (440179423) can be obtained adding 440179379 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440179379 - 2¹² = 440175283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (440179373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220089689 + 220089690.

It is an arithmetic number, because the mean of its divisors is an integer number (220089690).

Almost surely, 2^440179379 is an apocalyptic number.

440179379 is a deficient number, since it is larger than the sum of its proper divisors (1).

440179379 is an equidigital number, since it uses as much as digits as its factorization.

440179379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 440179379 is about 20980.4523068498. The cubic root of 440179379 is about 760.6938371717.

The spelling of 440179379 in words is "four hundred forty million, one hundred seventy-nine thousand, three hundred seventy-nine".