40966231 has 4 divisors (see below), whose sum is σ = 41111272. Its totient is φ = 40821192.

The previous prime is 40966207. The next prime is 40966249. The reversal of 40966231 is 13266904.

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 40966231 - 2⁵ = 40966199 is a prime.

It is a super-2 number, since 2×40966231² = 3356464164690722, 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 = 40966193 and 40966202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40966291) 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, 72096 + ... + 72661.

It is an arithmetic number, because the mean of its divisors is an integer number (10277818).

Almost surely, 2^40966231 is an apocalyptic number.

40966231 is a deficient number, since it is larger than the sum of its proper divisors (145041).

40966231 is a wasteful number, since it uses less digits than its factorization.

40966231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145040.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40966231 is about 6400.4867783630. The cubic root of 40966231 is about 344.7270290534.

The spelling of 40966231 in words is "forty million, nine hundred sixty-six thousand, two hundred thirty-one".