445631051665460 has 24 divisors (see below), whose sum is σ = 935830725962496. Its totient is φ = 178251369720480.

The previous prime is 445631051665453. The next prime is 445631051665469. The reversal of 445631051665460 is 64566150136544.

It is a junction number, because it is equal to n+sod(n) for n = 445631051665396 and 445631051665405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445631051665469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62202572 + ... + 68995811.

It is an arithmetic number, because the mean of its divisors is an integer number (38992946915104).

Almost surely, 2^{445631051665460} is an apocalyptic number.

It is an amenable number.

445631051665460 is an abundant number, since it is smaller than the sum of its proper divisors (490199674297036).

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

445631051665460 is a wasteful number, since it uses less digits than its factorization.

445631051665460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131368223 (or 131368221 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 56.

The spelling of 445631051665460 in words is "four hundred forty-five trillion, six hundred thirty-one billion, fifty-one million, six hundred sixty-five thousand, four hundred sixty".