443952130668 has 96 divisors (see below), whose sum is σ = 1078475317248. Its totient is φ = 142023974400.

The previous prime is 443952130639. The next prime is 443952130693. The reversal of 443952130668 is 866031259344.

It is a super-2 number, since 2×443952130668² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 443952130668.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24944853 + ... + 24962643.

It is an arithmetic number, because the mean of its divisors is an integer number (11234117888).

Almost surely, 2^443952130668 is an apocalyptic number.

It is an amenable number.

443952130668 is an abundant number, since it is smaller than the sum of its proper divisors (634523186580).

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

443952130668 is a wasteful number, since it uses less digits than its factorization.

443952130668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18663 (or 18661 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 443952130668 in words is "four hundred forty-three billion, nine hundred fifty-two million, one hundred thirty thousand, six hundred sixty-eight".