40851034735446 has 80 divisors (see below), whose sum is σ = 100675254423744. Its totient is φ = 12302111903616.

The previous prime is 40851034735429. The next prime is 40851034735501. The reversal of 40851034735446 is 64453743015804.

40851034735446 is a `hidden beast` number, since 4 + 0 + 8 + 51 + 0 + 3 + 47 + 3 + 544 + 6 = 666.

40851034735446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40851034735392 and 40851034735401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 206256895 + ... + 206454858.

Almost surely, 2^{40851034735446} is an apocalyptic number.

40851034735446 is an abundant number, since it is smaller than the sum of its proper divisors (59824219688298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40851034735446 is a wasteful number, since it uses less digits than its factorization.

40851034735446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412711827 (or 412711818 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 40851034735446 in words is "forty trillion, eight hundred fifty-one billion, thirty-four million, seven hundred thirty-five thousand, four hundred forty-six".