40541660339 has 4 divisors (see below), whose sum is σ = 40576884480. Its totient is φ = 40506436200.

The previous prime is 40541660329. The next prime is 40541660351. The reversal of 40541660339 is 93306614504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40541660339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40541660296 and 40541660305.

It is not an unprimeable number, because it can be changed into a prime (40541660329) 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 3 ways as a sum of consecutive naturals, for example, 17610344 + ... + 17612645.

It is an arithmetic number, because the mean of its divisors is an integer number (10144221120).

Almost surely, 2^40541660339 is an apocalyptic number.

40541660339 is a deficient number, since it is larger than the sum of its proper divisors (35224141).

40541660339 is a wasteful number, since it uses less digits than its factorization.

40541660339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35224140.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 40541660339 in words is "forty billion, five hundred forty-one million, six hundred sixty thousand, three hundred thirty-nine".