40020641595 has 40 divisors (see below), whose sum is σ = 78262596720. Its totient is φ = 19403945280.

The previous prime is 40020641561. The next prime is 40020641597. The reversal of 40020641595 is 59514602004.

40020641595 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 0 + 64 + 1 + 595 = 666.

40020641595 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40020641595 - 2⁷ = 40020641467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40020641597) 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, 4487200 + ... + 4496109.

It is an arithmetic number, because the mean of its divisors is an integer number (1956564918).

Almost surely, 2^40020641595 is an apocalyptic number.

40020641595 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40020641595 is a deficient number, since it is larger than the sum of its proper divisors (38241955125).

40020641595 is a wasteful number, since it uses less digits than its factorization.

40020641595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983337 (or 8983328 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 40020641595 in words is "forty billion, twenty million, six hundred forty-one thousand, five hundred ninety-five".