6465662250 has 256 divisors, whose sum is σ = 17700913152. Its totient is φ = 1567104000.

The previous prime is 6465662233. The next prime is 6465662251. The reversal of 6465662250 is 522665646.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6465662251) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 57218194 + ... + 57218306.

It is an arithmetic number, because the mean of its divisors is an integer number (69144192).

Almost surely, 2^6465662250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6465662250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8850456576).

6465662250 is an abundant number, since it is smaller than the sum of its proper divisors (11235250902).

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

6465662250 is a wasteful number, since it uses less digits than its factorization.

6465662250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 6465662250 is about 80409.3418080263. The cubic root of 6465662250 is about 1862.9634658813.

The spelling of 6465662250 in words is "six billion, four hundred sixty-five million, six hundred sixty-two thousand, two hundred fifty".