40505112463 has 4 divisors (see below), whose sum is σ = 40922691040. Its totient is φ = 40087533888.

The previous prime is 40505112451. The next prime is 40505112503. The reversal of 40505112463 is 36421150504.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40505112463 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 (40505112413) 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, 208789143 + ... + 208789336.

It is an arithmetic number, because the mean of its divisors is an integer number (10230672760).

Almost surely, 2^40505112463 is an apocalyptic number.

40505112463 is a deficient number, since it is larger than the sum of its proper divisors (417578577).

40505112463 is an equidigital number, since it uses as much as digits as its factorization.

40505112463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417578576.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 40505112463 its reverse (36421150504), we get a palindrome (76926262967).

The spelling of 40505112463 in words is "forty billion, five hundred five million, one hundred twelve thousand, four hundred sixty-three".