5451630312 has 128 divisors (see below), whose sum is σ = 14679843840. Its totient is φ = 1681075200.

The previous prime is 5451630299. The next prime is 5451630367. The reversal of 5451630312 is 2130361545.

It is a self number, because there is not a number n which added to its sum of digits gives 5451630312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6591643 + ... + 6592469.

It is an arithmetic number, because the mean of its divisors is an integer number (114686280).

Almost surely, 2^5451630312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5451630312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7339921920).

5451630312 is an abundant number, since it is smaller than the sum of its proper divisors (9228213528).

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

5451630312 is a wasteful number, since it uses less digits than its factorization.

5451630312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5451630312 is about 73835.1563416778. The cubic root of 5451630312 is about 1759.9843223466.

Adding to 5451630312 its reverse (2130361545), we get a palindrome (7581991857).

The spelling of 5451630312 in words is "five billion, four hundred fifty-one million, six hundred thirty thousand, three hundred twelve".