40113431105 has 16 divisors (see below), whose sum is σ = 52516902528. Its totient is φ = 29170752000.

The previous prime is 40113431087. The next prime is 40113431147. The reversal of 40113431105 is 50113431104.

It is a happy number.

It is not a de Polignac number, because 40113431105 - 2²² = 40109236801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739460 + ... + 791850.

It is an arithmetic number, because the mean of its divisors is an integer number (3282306408).

Almost surely, 2^40113431105 is an apocalyptic number.

It is an amenable number.

40113431105 is a deficient number, since it is larger than the sum of its proper divisors (12403471423).

40113431105 is a wasteful number, since it uses less digits than its factorization.

40113431105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66328.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 40113431105 its reverse (50113431104), we get a palindrome (90226862209).

Subtracting 40113431105 from its reverse (50113431104), we obtain a palindrome (9999999999).

The spelling of 40113431105 in words is "forty billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred five".