40040403707 has 4 divisors (see below), whose sum is σ = 40041306816. Its totient is φ = 40039500600.

The previous prime is 40040403679. The next prime is 40040403719. The reversal of 40040403707 is 70730404004.

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 40040403707 - 2¹⁸ = 40040141563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40040403707.

It is not an unprimeable number, because it can be changed into a prime (40040403727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381419 + ... + 474932.

It is an arithmetic number, because the mean of its divisors is an integer number (10010326704).

Almost surely, 2^40040403707 is an apocalyptic number.

40040403707 is a deficient number, since it is larger than the sum of its proper divisors (903109).

40040403707 is an equidigital number, since it uses as much as digits as its factorization.

40040403707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903108.

The product of its (nonzero) digits is 9408, while the sum is 29.

The spelling of 40040403707 in words is "forty billion, forty million, four hundred three thousand, seven hundred seven".