2526643272 has 32 divisors (see below), whose sum is σ = 6487329600. Its totient is φ = 819451584.

The previous prime is 2526643267. The next prime is 2526643279. The reversal of 2526643272 is 2723466252.

It is a self number, because there is not a number n which added to its sum of digits gives 2526643272.

It is not an unprimeable number, because it can be changed into a prime (2526643279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421772 + ... + 1423547.

It is an arithmetic number, because the mean of its divisors is an integer number (202729050).

Almost surely, 2^2526643272 is an apocalyptic number.

It is an amenable number.

2526643272 is an abundant number, since it is smaller than the sum of its proper divisors (3960686328).

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

2526643272 is a wasteful number, since it uses less digits than its factorization.

2526643272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845365 (or 2845361 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 2526643272 is about 50265.7266136679. The cubic root of 2526643272 is about 1362.0131790747.

The spelling of 2526643272 in words is "two billion, five hundred twenty-six million, six hundred forty-three thousand, two hundred seventy-two".