445745705202740 has 24 divisors (see below), whose sum is σ = 953727603209640. Its totient is φ = 174934163550848.

The previous prime is 445745705202731. The next prime is 445745705202857. The reversal of 445745705202740 is 47202507547544.

It can be written as a sum of positive squares in 4 ways, for example, as 3442575954724 + 442303129248016 = 1855418^2 + 21031004^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210257407055 + ... + 210257409174.

It is an arithmetic number, because the mean of its divisors is an integer number (39738650133735).

Almost surely, 2^{445745705202740} is an apocalyptic number.

It is an amenable number.

445745705202740 is an abundant number, since it is smaller than the sum of its proper divisors (507981898006900).

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

445745705202740 is a wasteful number, since it uses less digits than its factorization.

445745705202740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420514816291 (or 420514816289 counting only the distinct ones).

The product of its (nonzero) digits is 43904000, while the sum is 56.

The spelling of 445745705202740 in words is "four hundred forty-five trillion, seven hundred forty-five billion, seven hundred five million, two hundred two thousand, seven hundred forty".