445252408508 has 24 divisors (see below), whose sum is σ = 782497019472. Its totient is φ = 221682438144.

The previous prime is 445252408463. The next prime is 445252408537. The reversal of 445252408508 is 805804252544.

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, 2924435 + ... + 3072917.

It is an arithmetic number, because the mean of its divisors is an integer number (32604042478).

Almost surely, 2^445252408508 is an apocalyptic number.

It is an amenable number.

445252408508 is a deficient number, since it is larger than the sum of its proper divisors (337244610964).

445252408508 is a wasteful number, since it uses less digits than its factorization.

445252408508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151661 (or 151659 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 47.

The spelling of 445252408508 in words is "four hundred forty-five billion, two hundred fifty-two million, four hundred eight thousand, five hundred eight".