40322459 has 2 divisors, whose sum is σ = 40322460. Its totient is φ = 40322458.

The previous prime is 40322449. The next prime is 40322461. The reversal of 40322459 is 95422304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40322459 - 2¹² = 40318363 is a prime.

Together with 40322461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40322449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20161229 + 20161230.

It is an arithmetic number, because the mean of its divisors is an integer number (20161230).

Almost surely, 2^40322459 is an apocalyptic number.

40322459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40322459 is an equidigital number, since it uses as much as digits as its factorization.

40322459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40322459 is about 6349.9967716527. The cubic root of 40322459 is about 342.9117260734.

The spelling of 40322459 in words is "forty million, three hundred twenty-two thousand, four hundred fifty-nine".