40535595643 has 8 divisors (see below), whose sum is σ = 41633667920. Its totient is φ = 39437655840.

The previous prime is 40535595641. The next prime is 40535595673. The reversal of 40535595643 is 34659553504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40535595643 - 2¹ = 40535595641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40535595641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199488 + ... + 1232818.

It is an arithmetic number, because the mean of its divisors is an integer number (5204208490).

Almost surely, 2^40535595643 is an apocalyptic number.

40535595643 is a deficient number, since it is larger than the sum of its proper divisors (1098072277).

40535595643 is a wasteful number, since it uses less digits than its factorization.

40535595643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66237.

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 40535595643 in words is "forty billion, five hundred thirty-five million, five hundred ninety-five thousand, six hundred forty-three".