2142358768 has 80 divisors (see below), whose sum is σ = 4866545664. Its totient is φ = 902753280.

The previous prime is 2142358763. The next prime is 2142358787. The reversal of 2142358768 is 8678532412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142358763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195121 + ... + 205807.

Almost surely, 2^2142358768 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 2142358768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433272832).

2142358768 is an abundant number, since it is smaller than the sum of its proper divisors (2724186896).

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

2142358768 is a wasteful number, since it uses less digits than its factorization.

2142358768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10790 (or 10784 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 2142358768 is about 46285.6216119002. The cubic root of 2142358768 is about 1289.1320339585.

The spelling of 2142358768 in words is "two billion, one hundred forty-two million, three hundred fifty-eight thousand, seven hundred sixty-eight".