40642316426 has 8 divisors (see below), whose sum is σ = 60964648704. Its totient is φ = 20320766860.

The previous prime is 40642316417. The next prime is 40642316443. The reversal of 40642316426 is 62461324604.

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

It is a super-2 number, since 2×40642316426² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40642316426.

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, 41600 + ... + 288123.

It is an arithmetic number, because the mean of its divisors is an integer number (7620581088).

Almost surely, 2^40642316426 is an apocalyptic number.

40642316426 is a deficient number, since it is larger than the sum of its proper divisors (20322332278).

40642316426 is a wasteful number, since it uses less digits than its factorization.

40642316426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391356.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 40642316426 in words is "forty billion, six hundred forty-two million, three hundred sixteen thousand, four hundred twenty-six".