40362817982 has 4 divisors (see below), whose sum is σ = 60544226976. Its totient is φ = 20181408990.

The previous prime is 40362817889. The next prime is 40362817993. The reversal of 40362817982 is 28971826304.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40362817982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10090704494 + ... + 10090704497.

It is an arithmetic number, because the mean of its divisors is an integer number (15136056744).

Almost surely, 2^40362817982 is an apocalyptic number.

40362817982 is a deficient number, since it is larger than the sum of its proper divisors (20181408994).

40362817982 is a wasteful number, since it uses less digits than its factorization.

40362817982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20181408993.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 40362817982 in words is "forty billion, three hundred sixty-two million, eight hundred seventeen thousand, nine hundred eighty-two".