40845406463 has 4 divisors (see below), whose sum is σ = 40855573560. Its totient is φ = 40835239368.

The previous prime is 40845406429. The next prime is 40845406489. The reversal of 40845406463 is 36460454804.

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 40845406463 - 2³⁴ = 23665537279 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 (40845406493) 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 3 ways as a sum of consecutive naturals, for example, 5077520 + ... + 5085557.

It is an arithmetic number, because the mean of its divisors is an integer number (10213893390).

Almost surely, 2^40845406463 is an apocalyptic number.

40845406463 is a deficient number, since it is larger than the sum of its proper divisors (10167097).

40845406463 is a wasteful number, since it uses less digits than its factorization.

40845406463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167096.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 40845406463 in words is "forty billion, eight hundred forty-five million, four hundred six thousand, four hundred sixty-three".