445334667556 has 9 divisors (see below), whose sum is σ = 779338003899. Its totient is φ = 222666666444.

The previous prime is 445334667551. The next prime is 445334667587. The reversal of 445334667556 is 655766433544.

The square root of 445334667556 is 667334.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×445334667556² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445334667556.

It is not an unprimeable number, because it can be changed into a prime (445334667551) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1167835 + ... + 1501501.

Almost surely, 2^445334667556 is an apocalyptic number.

445334667556 is the 667334-th square number.

It is an amenable number.

445334667556 is a deficient number, since it is larger than the sum of its proper divisors (334003336343).

445334667556 is an frugal number, since it uses more digits than its factorization.

445334667556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667338 (or 333669 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 58.

The spelling of 445334667556 in words is "four hundred forty-five billion, three hundred thirty-four million, six hundred sixty-seven thousand, five hundred fifty-six".