40605936680790 has 128 divisors (see below), whose sum is σ = 116615964366720. Its totient is φ = 9994960894464.

The previous prime is 40605936680719. The next prime is 40605936680807. The reversal of 40605936680790 is 9708663950604.

40605936680790 is a `hidden beast` number, since 4 + 0 + 60 + 59 + 366 + 80 + 7 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109597332 + ... + 109967208.

It is an arithmetic number, because the mean of its divisors is an integer number (911062221615).

Almost surely, 2^{40605936680790} is an apocalyptic number.

40605936680790 is an abundant number, since it is smaller than the sum of its proper divisors (76010027685930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40605936680790 is a wasteful number, since it uses less digits than its factorization.

40605936680790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401183 (or 401177 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 40605936680790 in words is "forty trillion, six hundred five billion, nine hundred thirty-six million, six hundred eighty thousand, seven hundred ninety".