440342099 has 2 divisors, whose sum is σ = 440342100. Its totient is φ = 440342098.

The previous prime is 440342087. The next prime is 440342113. The reversal of 440342099 is 990243044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440342099 - 2²⁸ = 171906643 is a prime.

It is not a weakly prime, because it can be changed into another prime (440342029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220171049 + 220171050.

It is an arithmetic number, because the mean of its divisors is an integer number (220171050).

Almost surely, 2^440342099 is an apocalyptic number.

440342099 is a deficient number, since it is larger than the sum of its proper divisors (1).

440342099 is an equidigital number, since it uses as much as digits as its factorization.

440342099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 440342099 is about 20984.3298439574. The cubic root of 440342099 is about 760.7875602141.

The spelling of 440342099 in words is "four hundred forty million, three hundred forty-two thousand, ninety-nine".