2528178912 has 384 divisors, whose sum is σ = 9072000000. Its totient is φ = 682795008.

The previous prime is 2528178911. The next prime is 2528178943. The reversal of 2528178912 is 2198718252.

It is a super-2 number, since 2×2528178912² = 12783377222163007488, which contains 22 as substring.

Its product of digits (161280) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528178911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5630464 + ... + 5630912.

It is an arithmetic number, because the mean of its divisors is an integer number (23625000).

Almost surely, 2^2528178912 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 2528178912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4536000000).

2528178912 is an abundant number, since it is smaller than the sum of its proper divisors (6543821088).

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

2528178912 is a wasteful number, since it uses less digits than its factorization.

2528178912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 480 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 2528178912 is about 50280.9995127384. Note that the first 3 decimals coincide. The cubic root of 2528178912 is about 1362.2890573976.

The spelling of 2528178912 in words is "two billion, five hundred twenty-eight million, one hundred seventy-eight thousand, nine hundred twelve".