2138410960 has 120 divisors (see below), whose sum is σ = 6123927240. Its totient is φ = 690020352.

The previous prime is 2138410951. The next prime is 2138410997. The reversal of 2138410960 is 690148312.

It can be written as a sum of positive squares in 4 ways, for example, as 34904464 + 2103506496 = 5908^2 + 45864^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50596 + ... + 82684.

It is an arithmetic number, because the mean of its divisors is an integer number (51032727).

Almost surely, 2^2138410960 is an apocalyptic number.

2138410960 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 2138410960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061963620).

2138410960 is an abundant number, since it is smaller than the sum of its proper divisors (3985516280).

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

2138410960 is a wasteful number, since it uses less digits than its factorization.

2138410960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32133 (or 32120 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2138410960 is about 46242.9557878819. The cubic root of 2138410960 is about 1288.3397024581.

The spelling of 2138410960 in words is "two billion, one hundred thirty-eight million, four hundred ten thousand, nine hundred sixty".