40266131 has 4 divisors (see below), whose sum is σ = 40332432. Its totient is φ = 40199832.

The previous prime is 40266119. The next prime is 40266151. The reversal of 40266131 is 13166204.

It is a happy number.

40266131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40266131 - 2⁶ = 40266067 is a prime.

It is a super-2 number, since 2×40266131² = 3242722611418322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40266097 and 40266106.

It is not an unprimeable number, because it can be changed into a prime (40266151) 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 3 ways as a sum of consecutive naturals, for example, 32231 + ... + 33456.

It is an arithmetic number, because the mean of its divisors is an integer number (10083108).

Almost surely, 2^40266131 is an apocalyptic number.

40266131 is a deficient number, since it is larger than the sum of its proper divisors (66301).

40266131 is an equidigital number, since it uses as much as digits as its factorization.

40266131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66300.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40266131 is about 6345.5599437717. The cubic root of 40266131 is about 342.7519761195.

The spelling of 40266131 in words is "forty million, two hundred sixty-six thousand, one hundred thirty-one".