40040407007 has 4 divisors (see below), whose sum is σ = 40161375336. Its totient is φ = 39919438680.

The previous prime is 40040406983. The next prime is 40040407021. The reversal of 40040407007 is 70070404004.

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 40040407007 - 2³² = 35745439711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040407027) 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, 60483668 + ... + 60484329.

It is an arithmetic number, because the mean of its divisors is an integer number (10040343834).

Almost surely, 2^40040407007 is an apocalyptic number.

40040407007 is a deficient number, since it is larger than the sum of its proper divisors (120968329).

40040407007 is a wasteful number, since it uses less digits than its factorization.

40040407007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120968328.

The product of its (nonzero) digits is 3136, while the sum is 26.

The spelling of 40040407007 in words is "forty billion, forty million, four hundred seven thousand, seven".