40912231 has 8 divisors (see below), whose sum is σ = 41872320. Its totient is φ = 39955968.

The previous prime is 40912229. The next prime is 40912253. The reversal of 40912231 is 13221904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40912231 - 2¹ = 40912229 is a prime.

It is a super-2 number, since 2×40912231² = 3347621290794722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40912831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43195 + ... + 44131.

It is an arithmetic number, because the mean of its divisors is an integer number (5234040).

Almost surely, 2^40912231 is an apocalyptic number.

40912231 is a deficient number, since it is larger than the sum of its proper divisors (960089).

40912231 is an equidigital number, since it uses as much as digits as its factorization.

40912231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 40912231 is about 6396.2669581561. The cubic root of 40912231 is about 344.5754941233.

The spelling of 40912231 in words is "forty million, nine hundred twelve thousand, two hundred thirty-one".