40124450113 has 4 divisors (see below), whose sum is σ = 43772127408. Its totient is φ = 36476772820.

The previous prime is 40124450111. The next prime is 40124450123. The reversal of 40124450113 is 31105442104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40124450113 - 2¹ = 40124450111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40124450111) 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, 1823838631 + ... + 1823838652.

It is an arithmetic number, because the mean of its divisors is an integer number (10943031852).

Almost surely, 2^40124450113 is an apocalyptic number.

It is an amenable number.

40124450113 is a deficient number, since it is larger than the sum of its proper divisors (3647677295).

40124450113 is a wasteful number, since it uses less digits than its factorization.

40124450113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647677294.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 40124450113 its reverse (31105442104), we get a palindrome (71229892217).

The spelling of 40124450113 in words is "forty billion, one hundred twenty-four million, four hundred fifty thousand, one hundred thirteen".