4551145650 has 192 divisors, whose sum is σ = 13709122560. Its totient is φ = 1105228800.

The previous prime is 4551145637. The next prime is 4551145661. The reversal of 4551145650 is 565411554.

4551145650 is a `hidden beast` number, since 4 + 551 + 1 + 4 + 56 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 708252 + ... + 714648.

It is an arithmetic number, because the mean of its divisors is an integer number (71401680).

Almost surely, 2^4551145650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4551145650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6854561280).

4551145650 is an abundant number, since it is smaller than the sum of its proper divisors (9157976910).

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

4551145650 is a wasteful number, since it uses less digits than its factorization.

4551145650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466 (or 6455 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 4551145650 is about 67462.1794044634. The cubic root of 4551145650 is about 1657.1948620329.

The spelling of 4551145650 in words is "four billion, five hundred fifty-one million, one hundred forty-five thousand, six hundred fifty".