40404067407 has 40 divisors (see below), whose sum is σ = 65926230480. Its totient is φ = 24456608640.

The previous prime is 40404067391. The next prime is 40404067411. The reversal of 40404067407 is 70476040404.

It is not a de Polignac number, because 40404067407 - 2⁴ = 40404067391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404068407) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 692793 + ... + 748845.

It is an arithmetic number, because the mean of its divisors is an integer number (1648155762).

Almost surely, 2^40404067407 is an apocalyptic number.

40404067407 is a deficient number, since it is larger than the sum of its proper divisors (25522163073).

40404067407 is a wasteful number, since it uses less digits than its factorization.

40404067407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56885 (or 56876 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 40404067407 in words is "forty billion, four hundred four million, sixty-seven thousand, four hundred seven".