40461320664647 has 16 divisors (see below), whose sum is σ = 41134535360928. Its totient is φ = 39791336048640.

The previous prime is 40461320664631. The next prime is 40461320664673. The reversal of 40461320664647 is 74646602316404.

It is a cyclic number.

It is not a de Polignac number, because 40461320664647 - 2⁴ = 40461320664631 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 (40461320664697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463308728 + ... + 463396050.

It is an arithmetic number, because the mean of its divisors is an integer number (2570908460058).

Almost surely, 2^{40461320664647} is an apocalyptic number.

40461320664647 is a deficient number, since it is larger than the sum of its proper divisors (673214696281).

40461320664647 is a wasteful number, since it uses less digits than its factorization.

40461320664647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105730.

The product of its (nonzero) digits is 13934592, while the sum is 53.

The spelling of 40461320664647 in words is "forty trillion, four hundred sixty-one billion, three hundred twenty million, six hundred sixty-four thousand, six hundred forty-seven".