2528694828 has 48 divisors (see below), whose sum is σ = 7151867520. Its totient is φ = 766270800.

The previous prime is 2528694827. The next prime is 2528694829. The reversal of 2528694828 is 8284968252.

It is a happy number.

2528694828 is a `hidden beast` number, since 2 + 528 + 6 + 94 + 8 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (2528694827) and next prime (2528694829).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2528694823) 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, 1063078 + ... + 1065453.

It is an arithmetic number, because the mean of its divisors is an integer number (148997240).

Almost surely, 2^2528694828 is an apocalyptic number.

It is an amenable number.

2528694828 is an abundant number, since it is smaller than the sum of its proper divisors (4623172692).

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

2528694828 is a wasteful number, since it uses less digits than its factorization.

2528694828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128555 (or 2128547 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 2528694828 is about 50286.1295786423. The cubic root of 2528694828 is about 1362.3817168366.

The spelling of 2528694828 in words is "two billion, five hundred twenty-eight million, six hundred ninety-four thousand, eight hundred twenty-eight".