632250781640 has 64 divisors (see below), whose sum is σ = 1428917760000. Its totient is φ = 251771403520.

The previous prime is 632250781627. The next prime is 632250781649. The reversal of 632250781640 is 46187052236.

It is a super-2 number, since 2×632250781640² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 632250781591 and 632250781600.

It is not an unprimeable number, because it can be changed into a prime (632250781649) 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, 45871550 + ... + 45885330.

It is an arithmetic number, because the mean of its divisors is an integer number (22326840000).

Almost surely, 2^632250781640 is an apocalyptic number.

It is an amenable number.

632250781640 is an abundant number, since it is smaller than the sum of its proper divisors (796666978360).

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

632250781640 is a wasteful number, since it uses less digits than its factorization.

632250781640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830 (or 18826 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 632250781640 in words is "six hundred thirty-two billion, two hundred fifty million, seven hundred eighty-one thousand, six hundred forty".