2152328724 has 216 divisors, whose sum is σ = 7217938728. Its totient is φ = 534159360.

The previous prime is 2152328687. The next prime is 2152328771. The reversal of 2152328724 is 4278232512.

It can be written as a sum of positive squares in 4 ways, for example, as 113806224 + 2038522500 = 10668^2 + 45150^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 387084 + ... + 392604.

It is an arithmetic number, because the mean of its divisors is an integer number (33416383).

Almost surely, 2^2152328724 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 2152328724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3608969364).

2152328724 is an abundant number, since it is smaller than the sum of its proper divisors (5065610004).

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

2152328724 is a wasteful number, since it uses less digits than its factorization.

2152328724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5563 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2152328724 is about 46393.1969581748. The cubic root of 2152328724 is about 1291.1286966632.

The spelling of 2152328724 in words is "two billion, one hundred fifty-two million, three hundred twenty-eight thousand, seven hundred twenty-four".