4891062140 has 24 divisors (see below), whose sum is σ = 10339258272. Its totient is φ = 1943467200.

The previous prime is 4891062131. The next prime is 4891062149. The reversal of 4891062140 is 412601984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4891062131) and next prime (4891062149).

It is a self number, because there is not a number n which added to its sum of digits gives 4891062140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891062149) 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 7 ways as a sum of consecutive naturals, for example, 806759 + ... + 812798.

It is an arithmetic number, because the mean of its divisors is an integer number (430802428).

Almost surely, 2^4891062140 is an apocalyptic number.

It is an amenable number.

4891062140 is an abundant number, since it is smaller than the sum of its proper divisors (5448196132).

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

4891062140 is a wasteful number, since it uses less digits than its factorization.

4891062140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619717 (or 1619715 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 4891062140 is about 69936.1290035415. The cubic root of 4891062140 is about 1697.4659061073.

The spelling of 4891062140 in words is "four billion, eight hundred ninety-one million, sixty-two thousand, one hundred forty".