4809188540 has 24 divisors (see below), whose sum is σ = 10876165440. Its totient is φ = 1775700288.

The previous prime is 4809188539. The next prime is 4809188617. The reversal of 4809188540 is 458819084.

It is a happy number.

It is a super-3 number, since 3×4809188540³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9248180 + ... + 9248699.

It is an arithmetic number, because the mean of its divisors is an integer number (453173560).

Almost surely, 2^4809188540 is an apocalyptic number.

It is an amenable number.

4809188540 is an abundant number, since it is smaller than the sum of its proper divisors (6066976900).

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

4809188540 is a wasteful number, since it uses less digits than its factorization.

4809188540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18496901 (or 18496899 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 4809188540 is about 69348.3131734291. The cubic root of 4809188540 is about 1687.9410215574.

It can be divided in two parts, 48091 and 88540, that added together give a palindrome (136631).

The spelling of 4809188540 in words is "four billion, eight hundred nine million, one hundred eighty-eight thousand, five hundred forty".