3640674244 has 9 divisors (see below), whose sum is σ = 6371391117. Its totient is φ = 1820276784.

The previous prime is 3640674203. The next prime is 3640674283. The reversal of 3640674244 is 4424760463.

The square root of 3640674244 is 60338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2110299844 + 1530374400 = 45938^2 + 39120^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3640674197 and 3640674206.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 105592 + ... + 135760.

Almost surely, 2^3640674244 is an apocalyptic number.

3640674244 is the 60338-th square number.

It is an amenable number.

3640674244 is a deficient number, since it is larger than the sum of its proper divisors (2730716873).

3640674244 is an frugal number, since it uses more digits than its factorization.

3640674244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60342 (or 30171 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 40.

The cubic root of 3640674244 is about 1538.3693094754.

The spelling of 3640674244 in words is "three billion, six hundred forty million, six hundred seventy-four thousand, two hundred forty-four".