40051318847 has 8 divisors (see below), whose sum is σ = 41990755200. Its totient is φ = 38128388760.

The previous prime is 40051318843. The next prime is 40051318859. The reversal of 40051318847 is 74881315004.

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

It is a cyclic number.

It is not a de Polignac number, because 40051318847 - 2² = 40051318843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051318843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4121597 + ... + 4131302.

It is an arithmetic number, because the mean of its divisors is an integer number (5248844400).

Almost surely, 2^40051318847 is an apocalyptic number.

40051318847 is a deficient number, since it is larger than the sum of its proper divisors (1939436353).

40051318847 is a wasteful number, since it uses less digits than its factorization.

40051318847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253133.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 40051318847 in words is "forty billion, fifty-one million, three hundred eighteen thousand, eight hundred forty-seven".