2528633856 has 176 divisors, whose sum is σ = 8156820096. Its totient is φ = 679870464.

The previous prime is 2528633843. The next prime is 2528633903. The reversal of 2528633856 is 6583368252.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362110 + ... + 369026.

Almost surely, 2^2528633856 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 2528633856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4078410048).

2528633856 is an abundant number, since it is smaller than the sum of its proper divisors (5628186240).

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

2528633856 is a wasteful number, since it uses less digits than its factorization.

2528633856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964 (or 6946 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 2528633856 is about 50285.5233243127. The cubic root of 2528633856 is about 1362.3707668128.

The spelling of 2528633856 in words is "two billion, five hundred twenty-eight million, six hundred thirty-three thousand, eight hundred fifty-six".