40004041007 has 4 divisors (see below), whose sum is σ = 45718904016. Its totient is φ = 34289178000.

The previous prime is 40004041003. The next prime is 40004041009. The reversal of 40004041007 is 70014040004.

40004041007 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 not a de Polignac number, because 40004041007 - 2² = 40004041003 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 40004041007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004041003) 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, 2857431494 + ... + 2857431507.

It is an arithmetic number, because the mean of its divisors is an integer number (11429726004).

Almost surely, 2^40004041007 is an apocalyptic number.

40004041007 is a deficient number, since it is larger than the sum of its proper divisors (5714863009).

40004041007 is an equidigital number, since it uses as much as digits as its factorization.

40004041007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714863008.

The product of its (nonzero) digits is 448, while the sum is 20.

The spelling of 40004041007 in words is "forty billion, four million, forty-one thousand, seven".