40526231 has 4 divisors (see below), whose sum is σ = 40654392. Its totient is φ = 40398072.

The previous prime is 40526219. The next prime is 40526237. The reversal of 40526231 is 13262504.

40526231 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 40526231 - 2¹⁰ = 40525207 is a prime.

It is a super-2 number, since 2×40526231² = 3284750798130722, 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 = 40526197 and 40526206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40526237) 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, 63605 + ... + 64238.

It is an arithmetic number, because the mean of its divisors is an integer number (10163598).

Almost surely, 2^40526231 is an apocalyptic number.

40526231 is a deficient number, since it is larger than the sum of its proper divisors (128161).

40526231 is a wasteful number, since it uses less digits than its factorization.

40526231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128160.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40526231 is about 6366.0215990837. The cubic root of 40526231 is about 343.4883975043.

Adding to 40526231 its reverse (13262504), we get a palindrome (53788735).

The spelling of 40526231 in words is "forty million, five hundred twenty-six thousand, two hundred thirty-one".