40372259 has 2 divisors, whose sum is σ = 40372260. Its totient is φ = 40372258.

The previous prime is 40372253. The next prime is 40372271. The reversal of 40372259 is 95227304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40372259 - 2²⁴ = 23595043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40372253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20186129 + 20186130.

It is an arithmetic number, because the mean of its divisors is an integer number (20186130).

Almost surely, 2^40372259 is an apocalyptic number.

40372259 is a deficient number, since it is larger than the sum of its proper divisors (1).

40372259 is an equidigital number, since it uses as much as digits as its factorization.

40372259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40372259 is about 6353.9168235034. The cubic root of 40372259 is about 343.0528383213.

The spelling of 40372259 in words is "forty million, three hundred seventy-two thousand, two hundred fifty-nine".