445687368534 has 24 divisors (see below), whose sum is σ = 965956263480. Its totient is φ = 148516256448.

The previous prime is 445687368491. The next prime is 445687368541. The reversal of 445687368534 is 435863786544.

It is a happy number.

445687368534 is a `hidden beast` number, since 4 + 4 + 5 + 68 + 7 + 36 + 8 + 534 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3790464 + ... + 3906275.

It is an arithmetic number, because the mean of its divisors is an integer number (40248177645).

Almost surely, 2^445687368534 is an apocalyptic number.

445687368534 is an abundant number, since it is smaller than the sum of its proper divisors (520268894946).

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

445687368534 is a wasteful number, since it uses less digits than its factorization.

445687368534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699964 (or 7699961 counting only the distinct ones).

The product of its digits is 232243200, while the sum is 63.

The spelling of 445687368534 in words is "four hundred forty-five billion, six hundred eighty-seven million, three hundred sixty-eight thousand, five hundred thirty-four".