2621481472 has 40 divisors (see below), whose sum is σ = 5296787100. Its totient is φ = 1295990784.

The previous prime is 2621481449. The next prime is 2621481491. The reversal of 2621481472 is 2741841262.

It can be written as a sum of positive squares in 2 ways, for example, as 2619801856 + 1679616 = 51184^2 + 1296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16804 + ... + 74332.

Almost surely, 2^2621481472 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 2621481472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2648393550).

2621481472 is an abundant number, since it is smaller than the sum of its proper divisors (2675305628).

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

2621481472 is an frugal number, since it uses more digits than its factorization.

2621481472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57636 (or 57620 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 2621481472 is about 51200.4049983982. The cubic root of 2621481472 is about 1378.8454727991.

The spelling of 2621481472 in words is "two billion, six hundred twenty-one million, four hundred eighty-one thousand, four hundred seventy-two".