5181626272 has 24 divisors (see below), whose sum is σ = 10553098500. Its totient is φ = 2501474304.

The previous prime is 5181626267. The next prime is 5181626309. The reversal of 5181626272 is 2726261815.

It can be written as a sum of positive squares in 2 ways, for example, as 5178817296 + 2808976 = 71964^2 + 1676^2 .

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, 2790897 + ... + 2792752.

Almost surely, 2^5181626272 is an apocalyptic number.

It is an amenable number.

5181626272 is an abundant number, since it is smaller than the sum of its proper divisors (5371472228).

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

5181626272 is a wasteful number, since it uses less digits than its factorization.

5181626272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583688 (or 5583680 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 5181626272 is about 71983.5138903346. The cubic root of 5181626272 is about 1730.4352844571.

It can be divided in two parts, 518162 and 6272, that multiplied together give a square (3249912064 = 57008²).

The spelling of 5181626272 in words is "five billion, one hundred eighty-one million, six hundred twenty-six thousand, two hundred seventy-two".