4651421600 has 144 divisors (see below), whose sum is σ = 13112785728. Its totient is φ = 1578147840.

The previous prime is 4651421591. The next prime is 4651421617. The reversal of 4651421600 is 61241564.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538919 + ... + 547481.

It is an arithmetic number, because the mean of its divisors is an integer number (91061012).

Almost surely, 2^4651421600 is an apocalyptic number.

4651421600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4651421600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6556392864).

4651421600 is an abundant number, since it is smaller than the sum of its proper divisors (8461364128).

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

4651421600 is a wasteful number, since it uses less digits than its factorization.

4651421600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687 (or 8674 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 4651421600 is about 68201.3313653040. The cubic root of 4651421600 is about 1669.2776107578.

The spelling of 4651421600 in words is "four billion, six hundred fifty-one million, four hundred twenty-one thousand, six hundred".