2152800000 has 648 divisors, whose sum is σ = 8718379488. Its totient is φ = 506880000.

The previous prime is 2152799993. The next prime is 2152800029. The reversal of 2152800000 is 82512.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 93599989 + ... + 93600011.

Almost surely, 2^2152800000 is an apocalyptic number.

2152800000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4359189744).

2152800000 is an abundant number, since it is smaller than the sum of its proper divisors (6565579488).

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

2152800000 is an equidigital number, since it uses as much as digits as its factorization.

2152800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2152800000 is about 46398.2758300349. The cubic root of 2152800000 is about 1291.2229253863. Note that the first 3 decimals are identical.

Adding to 2152800000 its reverse (82512), we get a palindrome (2152882512).

The spelling of 2152800000 in words is "two billion, one hundred fifty-two million, eight hundred thousand".