40140606634 has 8 divisors (see below), whose sum is σ = 60434743140. Its totient is φ = 19995692256.

The previous prime is 40140606607. The next prime is 40140606643. The reversal of 40140606634 is 43660604104.

It can be written as a sum of positive squares in 2 ways, for example, as 37499160609 + 2641446025 = 193647^2 + 51395^2 .

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

It is a super-2 number, since 2×40140606634² (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 40140606634.

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, 37304859 + ... + 37305934.

Almost surely, 2^40140606634 is an apocalyptic number.

40140606634 is a deficient number, since it is larger than the sum of its proper divisors (20294136506).

40140606634 is a wasteful number, since it uses less digits than its factorization.

40140606634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74611064.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 40140606634 in words is "forty billion, one hundred forty million, six hundred six thousand, six hundred thirty-four".