40344067407 has 16 divisors (see below), whose sum is σ = 62636613120. Its totient is φ = 22618775712.

The previous prime is 40344067391. The next prime is 40344067409. The reversal of 40344067407 is 70476044304.

It is not a de Polignac number, because 40344067407 - 2⁴ = 40344067391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344067409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18122907 + ... + 18125132.

It is an arithmetic number, because the mean of its divisors is an integer number (3914788320).

Almost surely, 2^40344067407 is an apocalyptic number.

40344067407 is a deficient number, since it is larger than the sum of its proper divisors (22292545713).

40344067407 is a wasteful number, since it uses less digits than its factorization.

40344067407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36248102.

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 40344067407 in words is "forty billion, three hundred forty-four million, sixty-seven thousand, four hundred seven".