40642402606 has 8 divisors (see below), whose sum is σ = 65653111944. Its totient is φ = 18758031960.

The previous prime is 40642402597. The next prime is 40642402613. The reversal of 40642402606 is 60620424604.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781584640 + ... + 781584691.

It is an arithmetic number, because the mean of its divisors is an integer number (8206638993).

Almost surely, 2^40642402606 is an apocalyptic number.

40642402606 is a deficient number, since it is larger than the sum of its proper divisors (25010709338).

40642402606 is a wasteful number, since it uses less digits than its factorization.

40642402606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563169346.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 40642402606 in words is "forty billion, six hundred forty-two million, four hundred two thousand, six hundred six".