2068378632 has 128 divisors (see below), whose sum is σ = 5944320000. Its totient is φ = 665990208.

The previous prime is 2068378607. The next prime is 2068378633. The reversal of 2068378632 is 2368738602.

2068378632 is a `hidden beast` number, since 2 + 0 + 6 + 8 + 3 + 7 + 8 + 632 = 666.

It is not an unprimeable number, because it can be changed into a prime (2068378633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800719 + ... + 803297.

It is an arithmetic number, because the mean of its divisors is an integer number (46440000).

Almost surely, 2^2068378632 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 2068378632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2972160000).

2068378632 is an abundant number, since it is smaller than the sum of its proper divisors (3875941368).

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

2068378632 is a wasteful number, since it uses less digits than its factorization.

2068378632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720 (or 2710 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 2068378632 is about 45479.4308671514. The cubic root of 2068378632 is about 1274.1190648324.

The spelling of 2068378632 in words is "two billion, sixty-eight million, three hundred seventy-eight thousand, six hundred thirty-two".