4042656140 has 12 divisors (see below), whose sum is σ = 8489577936. Its totient is φ = 1617062448.

The previous prime is 4042656139. The next prime is 4042656209. The reversal of 4042656140 is 416562404.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4042656097 and 4042656106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101066384 + ... + 101066423.

It is an arithmetic number, because the mean of its divisors is an integer number (707464828).

Almost surely, 2^4042656140 is an apocalyptic number.

It is an amenable number.

4042656140 is an abundant number, since it is smaller than the sum of its proper divisors (4446921796).

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

4042656140 is a wasteful number, since it uses less digits than its factorization.

4042656140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202132816 (or 202132814 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 4042656140 is about 63581.8853133501. The cubic root of 4042656140 is about 1593.0238121046.

The spelling of 4042656140 in words is "four billion, forty-two million, six hundred fifty-six thousand, one hundred forty".