40004043707 has 4 divisors (see below), whose sum is σ = 41383493520. Its totient is φ = 38624593896.

The previous prime is 40004043691. The next prime is 40004043733. The reversal of 40004043707 is 70734040004.

40004043707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40004043707 - 2⁴ = 40004043691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1379449783 = 40004043707 / (4 + 0 + 0 + 0 + 4 + 0 + 4 + 3 + 7 + 0 + 7).

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 40004043707.

It is not an unprimeable number, because it can be changed into a prime (40004043797) 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, 689724863 + ... + 689724920.

It is an arithmetic number, because the mean of its divisors is an integer number (10345873380).

Almost surely, 2^40004043707 is an apocalyptic number.

40004043707 is a deficient number, since it is larger than the sum of its proper divisors (1379449813).

40004043707 is a wasteful number, since it uses less digits than its factorization.

40004043707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379449812.

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

The spelling of 40004043707 in words is "forty billion, four million, forty-three thousand, seven hundred seven".