2316400641 has 27 divisors (see below), whose sum is σ = 3414645507. Its totient is φ = 1513175760.

The previous prime is 2316400601. The next prime is 2316400649. The reversal of 2316400641 is 1460046132.

The square root of 2316400641 is 48129.

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

2316400641 is a `hidden beast` number, since 2 + 3 + 16 + 4 + 0 + 0 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75325041 + 2241075600 = 8679^2 + 47340^2 .

It is not a de Polignac number, because 2316400641 - 2⁹ = 2316400129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2316400649) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8807476 + ... + 8807738.

Almost surely, 2^2316400641 is an apocalyptic number.

2316400641 is the 48129-th square number.

2316400641 is the 24065-th centered octagonal number.

It is an amenable number.

2316400641 is a deficient number, since it is larger than the sum of its proper divisors (1098244866).

2316400641 is an frugal number, since it uses more digits than its factorization.

2316400641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The cubic root of 2316400641 is about 1323.1362220754.

Adding to 2316400641 its reverse (1460046132), we get a palindrome (3776446773).

The spelling of 2316400641 in words is "two billion, three hundred sixteen million, four hundred thousand, six hundred forty-one".