40643610814 has 32 divisors (see below), whose sum is σ = 62228267136. Its totient is φ = 19905631200.

The previous prime is 40643610797. The next prime is 40643610817. The reversal of 40643610814 is 41801634604.

40643610814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40643610817) 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, 14254489 + ... + 14257339.

It is an arithmetic number, because the mean of its divisors is an integer number (1944633348).

Almost surely, 2^40643610814 is an apocalyptic number.

40643610814 is a deficient number, since it is larger than the sum of its proper divisors (21584656322).

40643610814 is a wasteful number, since it uses less digits than its factorization.

40643610814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 40643610814 in words is "forty billion, six hundred forty-three million, six hundred ten thousand, eight hundred fourteen".