2528746626 has 48 divisors (see below), whose sum is σ = 5898597120. Its totient is φ = 720609120.

The previous prime is 2528746621. The next prime is 2528746639. The reversal of 2528746626 is 6266478252.

It is not an unprimeable number, because it can be changed into a prime (2528746621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103311 + ... + 125421.

It is an arithmetic number, because the mean of its divisors is an integer number (122887440).

Almost surely, 2^2528746626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2528746626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2949298560).

2528746626 is an abundant number, since it is smaller than the sum of its proper divisors (3369850494).

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

2528746626 is a wasteful number, since it uses less digits than its factorization.

2528746626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22519 (or 22512 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The square root of 2528746626 is about 50286.6446086831. The cubic root of 2528746626 is about 1362.3910191541.

The spelling of 2528746626 in words is "two billion, five hundred twenty-eight million, seven hundred forty-six thousand, six hundred twenty-six".