40318082653 has 4 divisors (see below), whose sum is σ = 40319778268. Its totient is φ = 40316387040.

The previous prime is 40318082639. The next prime is 40318082659. The reversal of 40318082653 is 35628081304.

40318082653 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5624550009 + 34693532644 = 74997^2 + 186262^2 .

It is a cyclic number.

It is not a de Polignac number, because 40318082653 - 2⁵ = 40318082621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40318082659) 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, 811626 + ... + 859867.

It is an arithmetic number, because the mean of its divisors is an integer number (10079944567).

Almost surely, 2^40318082653 is an apocalyptic number.

It is an amenable number.

40318082653 is a deficient number, since it is larger than the sum of its proper divisors (1695615).

40318082653 is a wasteful number, since it uses less digits than its factorization.

40318082653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695614.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 40318082653 in words is "forty billion, three hundred eighteen million, eighty-two thousand, six hundred fifty-three".