2152780896 has 288 divisors, whose sum is σ = 6977456640. Its totient is φ = 578479104.

The previous prime is 2152780837. The next prime is 2152780897. The reversal of 2152780896 is 6980872512.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152780897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5865705 + ... + 5866071.

It is an arithmetic number, because the mean of its divisors is an integer number (24227280).

Almost surely, 2^2152780896 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 2152780896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3488728320).

2152780896 is an abundant number, since it is smaller than the sum of its proper divisors (4824675744).

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

2152780896 is a wasteful number, since it uses less digits than its factorization.

2152780896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 2152780896 is about 46398.0699598593. The cubic root of 2152780896 is about 1291.2191059270.

The spelling of 2152780896 in words is "two billion, one hundred fifty-two million, seven hundred eighty thousand, eight hundred ninety-six".