40040040007 has 16 divisors (see below), whose sum is σ = 46322889984. Its totient is φ = 34204464000.

The previous prime is 40040039999. The next prime is 40040040011. The reversal of 40040040007 is 70004004004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40040040007 - 2³ = 40040039999 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 (40040040017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51669 + ... + 287662.

It is an arithmetic number, because the mean of its divisors is an integer number (2895180624).

Almost surely, 2^40040040007 is an apocalyptic number.

40040040007 is a deficient number, since it is larger than the sum of its proper divisors (6282849977).

40040040007 is a wasteful number, since it uses less digits than its factorization.

40040040007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339990.

The product of its (nonzero) digits is 448, while the sum is 19.

The spelling of 40040040007 in words is "forty billion, forty million, forty thousand, seven".