2068888140 has 72 divisors (see below), whose sum is σ = 6846145488. Its totient is φ = 501548160.

The previous prime is 2068888123. The next prime is 2068888153. The reversal of 2068888140 is 418888602.

It is a happy number.

2068888140 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 520467 + ... + 524426.

It is an arithmetic number, because the mean of its divisors is an integer number (95085354).

Almost surely, 2^2068888140 is an apocalyptic number.

2068888140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2068888140 is an abundant number, since it is smaller than the sum of its proper divisors (4777257348).

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

2068888140 is a wasteful number, since it uses less digits than its factorization.

2068888140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044919 (or 1044914 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The square root of 2068888140 is about 45485.0320435195. The cubic root of 2068888140 is about 1274.2236750409.

The spelling of 2068888140 in words is "two billion, sixty-eight million, eight hundred eighty-eight thousand, one hundred forty".