40804231 has 16 divisors (see below), whose sum is σ = 46126080. Its totient is φ = 35814240.

The previous prime is 40804213. The next prime is 40804237. The reversal of 40804231 is 13240804.

It is a cyclic number.

It is not a de Polignac number, because 40804231 - 2¹¹ = 40802183 is a prime.

It is a super-2 number, since 2×40804231² = 3329970535002722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40804237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71176 + ... + 71746.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 2^40804231 is an apocalyptic number.

40804231 is a deficient number, since it is larger than the sum of its proper divisors (5321849).

40804231 is a wasteful number, since it uses less digits than its factorization.

40804231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40804231 is about 6387.8189548546. The cubic root of 40804231 is about 344.2720237714.

The spelling of 40804231 in words is "forty million, eight hundred four thousand, two hundred thirty-one".