2451319472 has 80 divisors (see below), whose sum is σ = 5566310400. Its totient is φ = 1045332288.

The previous prime is 2451319459. The next prime is 2451319489. The reversal of 2451319472 is 2749131542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222823 + ... + 1224825.

It is an arithmetic number, because the mean of its divisors is an integer number (69578880).

Almost surely, 2^2451319472 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 2451319472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783155200).

2451319472 is an abundant number, since it is smaller than the sum of its proper divisors (3114990928).

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

2451319472 is a wasteful number, since it uses less digits than its factorization.

2451319472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2235 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 2451319472 is about 49510.8015689506. The cubic root of 2451319472 is about 1348.3417173222.

The spelling of 2451319472 in words is "two billion, four hundred fifty-one million, three hundred nineteen thousand, four hundred seventy-two".