40112663 has 4 divisors (see below), whose sum is σ = 40135368. Its totient is φ = 40089960.

The previous prime is 40112659. The next prime is 40112717. The reversal of 40112663 is 36621104.

It is a happy number.

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 40112663 - 2² = 40112659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112623) 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, 8456 + ... + 12317.

It is an arithmetic number, because the mean of its divisors is an integer number (10033842).

Almost surely, 2^40112663 is an apocalyptic number.

40112663 is a deficient number, since it is larger than the sum of its proper divisors (22705).

40112663 is a wasteful number, since it uses less digits than its factorization.

40112663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22704.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40112663 is about 6333.4558496922. The cubic root of 40112663 is about 342.3159733863.

Adding to 40112663 its reverse (36621104), we get a palindrome (76733767).

The spelling of 40112663 in words is "forty million, one hundred twelve thousand, six hundred sixty-three".