2566231552 has 40 divisors (see below), whose sum is σ = 5158326096. Its totient is φ = 1275389952.

The previous prime is 2566231543. The next prime is 2566231559. The reversal of 2566231552 is 2551326652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566231559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70498 + ... + 100510.

Almost surely, 2^2566231552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566231552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579163048).

2566231552 is an abundant number, since it is smaller than the sum of its proper divisors (2592094544).

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

2566231552 is an equidigital number, since it uses as much as digits as its factorization.

2566231552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30198 (or 30182 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 2566231552 is about 50657.9860634037. The cubic root of 2566231552 is about 1369.0898375064.

The spelling of 2566231552 in words is "two billion, five hundred sixty-six million, two hundred thirty-one thousand, five hundred fifty-two".