40133207 has 4 divisors (see below), whose sum is σ = 40148976. Its totient is φ = 40117440.

The previous prime is 40133167. The next prime is 40133227. The reversal of 40133207 is 70233104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40133207 is a prime.

It is a super-2 number, since 2×40133207² = 3221348608209698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133227) 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, 3098 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (10037244).

Almost surely, 2^40133207 is an apocalyptic number.

40133207 is a deficient number, since it is larger than the sum of its proper divisors (15769).

40133207 is a wasteful number, since it uses less digits than its factorization.

40133207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 40133207 is about 6335.0775054454. The cubic root of 40133207 is about 342.3744033066.

The spelling of 40133207 in words is "forty million, one hundred thirty-three thousand, two hundred seven".