40682344947 has 8 divisors (see below), whose sum is σ = 54258867600. Its totient is φ = 27113692800.

The previous prime is 40682344933. The next prime is 40682344957. The reversal of 40682344947 is 74944328604.

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

It is not a de Polignac number, because 40682344947 - 2⁸ = 40682344691 is a prime.

It is a super-3 number, since 3×40682344947³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40682344947.

It is not an unprimeable number, because it can be changed into a prime (40682344957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955554 + ... + 1976247.

It is an arithmetic number, because the mean of its divisors is an integer number (6782358450).

Almost surely, 2^40682344947 is an apocalyptic number.

40682344947 is a deficient number, since it is larger than the sum of its proper divisors (13576522653).

40682344947 is a wasteful number, since it uses less digits than its factorization.

40682344947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935253.

The product of its (nonzero) digits is 4644864, while the sum is 51.

The spelling of 40682344947 in words is "forty billion, six hundred eighty-two million, three hundred forty-four thousand, nine hundred forty-seven".