40840923583 has 4 divisors (see below), whose sum is σ = 40841329648. Its totient is φ = 40840517520.

The previous prime is 40840923581. The next prime is 40840923589. The reversal of 40840923583 is 38532904804.

40840923583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40840923583 - 2¹ = 40840923581 is a prime.

It is a super-2 number, since 2×40840923583² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40840923581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72235 + ... + 294787.

It is an arithmetic number, because the mean of its divisors is an integer number (10210332412).

Almost surely, 2^40840923583 is an apocalyptic number.

40840923583 is a deficient number, since it is larger than the sum of its proper divisors (406065).

40840923583 is a wasteful number, since it uses less digits than its factorization.

40840923583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406064.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 40840923583 in words is "forty billion, eight hundred forty million, nine hundred twenty-three thousand, five hundred eighty-three".