627233645640 has 64 divisors (see below), whose sum is σ = 2150515359360. Its totient is φ = 143367690240.

The previous prime is 627233645627. The next prime is 627233645659. The reversal of 627233645640 is 46546332726.

It is a self number, because there is not a number n which added to its sum of digits gives 627233645640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373352521 + ... + 373354200.

It is an arithmetic number, because the mean of its divisors is an integer number (33601802490).

Almost surely, 2^627233645640 is an apocalyptic number.

627233645640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

627233645640 is an abundant number, since it is smaller than the sum of its proper divisors (1523281713720).

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

627233645640 is a wasteful number, since it uses less digits than its factorization.

627233645640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746706742 (or 746706738 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 627233645640 in words is "six hundred twenty-seven billion, two hundred thirty-three million, six hundred forty-five thousand, six hundred forty".