2528011668 has 48 divisors (see below), whose sum is σ = 7259934080. Its totient is φ = 666728064.

The previous prime is 2528011663. The next prime is 2528011687. The reversal of 2528011668 is 8661108252.

2528011668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528011663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156423 + ... + 1158606.

Almost surely, 2^2528011668 is an apocalyptic number.

2528011668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2528011668 is an abundant number, since it is smaller than the sum of its proper divisors (4731922412).

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

2528011668 is a wasteful number, since it uses less digits than its factorization.

2528011668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315056 (or 2315054 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 2528011668 is about 50279.3363918021. The cubic root of 2528011668 is about 1362.2590173697.

The spelling of 2528011668 in words is "two billion, five hundred twenty-eight million, eleven thousand, six hundred sixty-eight".