445680323817532 has 24 divisors (see below), whose sum is σ = 780243724818432. Its totient is φ = 222753547513200.

The previous prime is 445680323817497. The next prime is 445680323817583. The reversal of 445680323817532 is 235718323086544.

It is a happy number.

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, 968153857 + ... + 968614087.

It is an arithmetic number, because the mean of its divisors is an integer number (32510155200768).

Almost surely, 2^{445680323817532} is an apocalyptic number.

It is an amenable number.

445680323817532 is a deficient number, since it is larger than the sum of its proper divisors (334563401000900).

445680323817532 is a wasteful number, since it uses less digits than its factorization.

445680323817532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553809 (or 553807 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 61.

The spelling of 445680323817532 in words is "four hundred forty-five trillion, six hundred eighty billion, three hundred twenty-three million, eight hundred seventeen thousand, five hundred thirty-two".