40851034735447 has 4 divisors (see below), whose sum is σ = 40853075164776. Its totient is φ = 40848994306120.

The previous prime is 40851034735429. The next prime is 40851034735501. The reversal of 40851034735447 is 74453743015804.

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

It is a cyclic number.

It is not a de Polignac number, because 40851034735447 - 2³⁵ = 40816674997079 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 (40851034705447) 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, 1020184633 + ... + 1020224674.

It is an arithmetic number, because the mean of its divisors is an integer number (10213268791194).

Almost surely, 2^{40851034735447} is an apocalyptic number.

40851034735447 is a deficient number, since it is larger than the sum of its proper divisors (2040429329).

40851034735447 is a wasteful number, since it uses less digits than its factorization.

40851034735447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040429328.

The product of its (nonzero) digits is 22579200, while the sum is 55.

The spelling of 40851034735447 in words is "forty trillion, eight hundred fifty-one billion, thirty-four million, seven hundred thirty-five thousand, four hundred forty-seven".