40102259 has 2 divisors, whose sum is σ = 40102260. Its totient is φ = 40102258.

The previous prime is 40102253. The next prime is 40102289. The reversal of 40102259 is 95220104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40102259 - 2¹⁶ = 40036723 is a prime.

It is a Chen prime.

It is equal to p_2439500 and since 40102259 and 2439500 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40102253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051129 + 20051130.

It is an arithmetic number, because the mean of its divisors is an integer number (20051130).

Almost surely, 2^40102259 is an apocalyptic number.

40102259 is a deficient number, since it is larger than the sum of its proper divisors (1).

40102259 is an equidigital number, since it uses as much as digits as its factorization.

40102259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 40102259 is about 6332.6344438946. The cubic root of 40102259 is about 342.2863753901.

The spelling of 40102259 in words is "forty million, one hundred two thousand, two hundred fifty-nine".