2533452644 has 12 divisors (see below), whose sum is σ = 4586423100. Its totient is φ = 1223046048.

The previous prime is 2533452643. The next prime is 2533452661. The reversal of 2533452644 is 4462543352.

It can be written as a sum of positive squares in 2 ways, for example, as 1386817600 + 1146635044 = 37240^2 + 33862^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2533452598 and 2533452607.

It is not an unprimeable number, because it can be changed into a prime (2533452643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10919939 + ... + 10920170.

It is an arithmetic number, because the mean of its divisors is an integer number (382201925).

Almost surely, 2^2533452644 is an apocalyptic number.

It is an amenable number.

2533452644 is a deficient number, since it is larger than the sum of its proper divisors (2052970456).

2533452644 is a wasteful number, since it uses less digits than its factorization.

2533452644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21840142 (or 21840140 counting only the distinct ones).

The product of its digits is 345600, while the sum is 38.

The square root of 2533452644 is about 50333.4147858061. The cubic root of 2533452644 is about 1363.2356356735.

Adding to 2533452644 its reverse (4462543352), we get a palindrome (6995995996).

The spelling of 2533452644 in words is "two billion, five hundred thirty-three million, four hundred fifty-two thousand, six hundred forty-four".