40405179682 has 16 divisors (see below), whose sum is σ = 71654506560. Its totient is φ = 16719384528.

The previous prime is 40405179679. The next prime is 40405179691. The reversal of 40405179682 is 28697150404.

It is a super-2 number, since 2×40405179682² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49759668 + ... + 49760479.

It is an arithmetic number, because the mean of its divisors is an integer number (4478406660).

Almost surely, 2^40405179682 is an apocalyptic number.

40405179682 is a deficient number, since it is larger than the sum of its proper divisors (31249326878).

40405179682 is a wasteful number, since it uses less digits than its factorization.

40405179682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99520185.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 40405179682 in words is "forty billion, four hundred five million, one hundred seventy-nine thousand, six hundred eighty-two".