5643274240 has 96 divisors (see below), whose sum is σ = 13663180440. Its totient is φ = 2236874752.

The previous prime is 5643274211. The next prime is 5643274309. The reversal of 5643274240 is 424723465.

It can be written as a sum of positive squares in 4 ways, for example, as 2149991424 + 3493282816 = 46368^2 + 59104^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5643274240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154682 + ... + 1159558.

Almost surely, 2^5643274240 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 5643274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6831590220).

5643274240 is an abundant number, since it is smaller than the sum of its proper divisors (8019906200).

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

5643274240 is a wasteful number, since it uses less digits than its factorization.

5643274240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The square root of 5643274240 is about 75121.7294795587. The cubic root of 5643274240 is about 1780.3704821568.

The spelling of 5643274240 in words is "five billion, six hundred forty-three million, two hundred seventy-four thousand, two hundred forty".