2153042860 has 48 divisors (see below), whose sum is σ = 4806617760. Its totient is φ = 807296000.

The previous prime is 2153042851. The next prime is 2153042861. The reversal of 2153042860 is 682403512.

It is not an unprimeable number, because it can be changed into a prime (2153042861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72726 + ... + 97954.

It is an arithmetic number, because the mean of its divisors is an integer number (100137870).

Almost surely, 2^2153042860 is an apocalyptic number.

2153042860 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 2153042860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2403308880).

2153042860 is an abundant number, since it is smaller than the sum of its proper divisors (2653574900).

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

2153042860 is a wasteful number, since it uses less digits than its factorization.

2153042860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25506 (or 25504 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2153042860 is about 46400.8928793402. The cubic root of 2153042860 is about 1291.2714783729.

The spelling of 2153042860 in words is "two billion, one hundred fifty-three million, forty-two thousand, eight hundred sixty".