40470259 has 2 divisors, whose sum is σ = 40470260. Its totient is φ = 40470258.

The previous prime is 40470257. The next prime is 40470277. The reversal of 40470259 is 95207404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40470259 - 2¹ = 40470257 is a prime.

Together with 40470257, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40470259.

It is not a weakly prime, because it can be changed into another prime (40470253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20235129 + 20235130.

It is an arithmetic number, because the mean of its divisors is an integer number (20235130).

Almost surely, 2^40470259 is an apocalyptic number.

40470259 is a deficient number, since it is larger than the sum of its proper divisors (1).

40470259 is an equidigital number, since it uses as much as digits as its factorization.

40470259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40470259 is about 6361.6239278977. The cubic root of 40470259 is about 343.3301905851.

The spelling of 40470259 in words is "forty million, four hundred seventy thousand, two hundred fifty-nine".