40851744674047 has 4 divisors (see below), whose sum is σ = 40852660204960. Its totient is φ = 40850829143136.

The previous prime is 40851744674033. The next prime is 40851744674057. The reversal of 40851744674047 is 74047644715804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40851744674047 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 (40851744674017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457698522 + ... + 457787767.

It is an arithmetic number, because the mean of its divisors is an integer number (10213165051240).

Almost surely, 2^{40851744674047} is an apocalyptic number.

40851744674047 is a deficient number, since it is larger than the sum of its proper divisors (915530913).

40851744674047 is an equidigital number, since it uses as much as digits as its factorization.

40851744674047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915530912.

The product of its (nonzero) digits is 84295680, while the sum is 61.

The spelling of 40851744674047 in words is "forty trillion, eight hundred fifty-one billion, seven hundred forty-four million, six hundred seventy-four thousand, forty-seven".