40526131 has 4 divisors (see below), whose sum is σ = 41039200. Its totient is φ = 40013064.

The previous prime is 40526119. The next prime is 40526159. The reversal of 40526131 is 13162504.

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 40526131 - 2¹¹ = 40524083 is a prime.

It is a super-2 number, since 2×40526131² = 3284734587658322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40526111) 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, 256416 + ... + 256573.

It is an arithmetic number, because the mean of its divisors is an integer number (10259800).

Almost surely, 2^40526131 is an apocalyptic number.

40526131 is a deficient number, since it is larger than the sum of its proper divisors (513069).

40526131 is an equidigital number, since it uses as much as digits as its factorization.

40526131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513068.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 40526131 is about 6366.0137448799. The cubic root of 40526131 is about 343.4881149805.

Adding to 40526131 its reverse (13162504), we get a palindrome (53688635).

The spelling of 40526131 in words is "forty million, five hundred twenty-six thousand, one hundred thirty-one".