645010024000 has 112 divisors (see below), whose sum is σ = 1681439685120. Its totient is φ = 244424793600.

The previous prime is 645010023997. The next prime is 645010024003. The reversal of 645010024000 is 420010546.

It is an interprime number because it is at equal distance from previous prime (645010023997) and next prime (645010024003).

It is not an unprimeable number, because it can be changed into a prime (645010024003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1969744 + ... + 2273743.

Almost surely, 2^645010024000 is an apocalyptic number.

It is an amenable number.

645010024000 is an abundant number, since it is smaller than the sum of its proper divisors (1036429661120).

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

645010024000 is a wasteful number, since it uses less digits than its factorization.

645010024000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243533 (or 4243513 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 645010024000 its reverse (420010546), we get a palindrome (645430034546).

The spelling of 645010024000 in words is "six hundred forty-five billion, ten million, twenty-four thousand".