40340259 has 12 divisors (see below), whose sum is σ = 58836336. Its totient is φ = 26631792.

The previous prime is 40340257. The next prime is 40340291. The reversal of 40340259 is 95204304.

40340259 is a `hidden beast` number, since 403 + 4 + 0 + 259 = 666.

40340259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40340259 - 2¹ = 40340257 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40340257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20832 + ... + 22685.

It is an arithmetic number, because the mean of its divisors is an integer number (4903028).

Almost surely, 2^40340259 is an apocalyptic number.

40340259 is a deficient number, since it is larger than the sum of its proper divisors (18496077).

40340259 is a wasteful number, since it uses less digits than its factorization.

40340259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43626 (or 43623 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40340259 is about 6351.3981925242. The cubic root of 40340259 is about 342.9621771201.

The spelling of 40340259 in words is "forty million, three hundred forty thousand, two hundred fifty-nine".