40684841967 has 32 divisors (see below), whose sum is σ = 69813633024. Its totient is φ = 20453205600.

The previous prime is 40684841959. The next prime is 40684841971. The reversal of 40684841967 is 76914848604.

It is a happy number.

It is not a de Polignac number, because 40684841967 - 2³ = 40684841959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40684841567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2833563 + ... + 2847884.

It is an arithmetic number, because the mean of its divisors is an integer number (2181676032).

Almost surely, 2^40684841967 is an apocalyptic number.

40684841967 is a deficient number, since it is larger than the sum of its proper divisors (29128791057).

40684841967 is a wasteful number, since it uses less digits than its factorization.

40684841967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681499.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 40684841967 in words is "forty billion, six hundred eighty-four million, eight hundred forty-one thousand, nine hundred sixty-seven".