40949748794 has 8 divisors (see below), whose sum is σ = 61481134848. Its totient is φ = 20456037180.

The previous prime is 40949748713. The next prime is 40949748811. The reversal of 40949748794 is 49784794904.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40949748794.

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, 9415892 + ... + 9420239.

It is an arithmetic number, because the mean of its divisors is an integer number (7685141856).

Almost surely, 2^40949748794 is an apocalyptic number.

40949748794 is a deficient number, since it is larger than the sum of its proper divisors (20531386054).

40949748794 is a wasteful number, since it uses less digits than its factorization.

40949748794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18837220.

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 40949748794 in words is "forty billion, nine hundred forty-nine million, seven hundred forty-eight thousand, seven hundred ninety-four".