445631051665396 has 24 divisors (see below), whose sum is σ = 782379499487040. Its totient is φ = 222094084027200.

The previous prime is 445631051665363. The next prime is 445631051665409. The reversal of 445631051665396 is 693566150136544.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51638491 + ... + 59647261.

It is an arithmetic number, because the mean of its divisors is an integer number (32599145811960).

Almost surely, 2^{445631051665396} is an apocalyptic number.

It is an amenable number.

445631051665396 is a deficient number, since it is larger than the sum of its proper divisors (336748447821644).

445631051665396 is a wasteful number, since it uses less digits than its factorization.

445631051665396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053815 (or 8053813 counting only the distinct ones).

The product of its (nonzero) digits is 209952000, while the sum is 64.

The spelling of 445631051665396 in words is "four hundred forty-five trillion, six hundred thirty-one billion, fifty-one million, six hundred sixty-five thousand, three hundred ninety-six".