40268207 has 4 divisors (see below), whose sum is σ = 46020816. Its totient is φ = 34515600.

The previous prime is 40268203. The next prime is 40268219. The reversal of 40268207 is 70286204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40268207 - 2² = 40268203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40268207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40268203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876294 + ... + 2876307.

It is an arithmetic number, because the mean of its divisors is an integer number (11505204).

Almost surely, 2^40268207 is an apocalyptic number.

40268207 is a deficient number, since it is larger than the sum of its proper divisors (5752609).

40268207 is an equidigital number, since it uses as much as digits as its factorization.

40268207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752608.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 40268207 is about 6345.7235206082. The cubic root of 40268207 is about 342.7578664369.

The spelling of 40268207 in words is "forty million, two hundred sixty-eight thousand, two hundred seven".