4331288540 has 12 divisors (see below), whose sum is σ = 9095705976. Its totient is φ = 1732515408.

The previous prime is 4331288519. The next prime is 4331288557. The reversal of 4331288540 is 458821334.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4331288494 and 4331288503.

It is a congruent number.

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, 108282194 + ... + 108282233.

It is an arithmetic number, because the mean of its divisors is an integer number (757975498).

Almost surely, 2^4331288540 is an apocalyptic number.

It is an amenable number.

4331288540 is an abundant number, since it is smaller than the sum of its proper divisors (4764417436).

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

4331288540 is a wasteful number, since it uses less digits than its factorization.

4331288540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216564436 (or 216564434 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 4331288540 is about 65812.5257074974. The cubic root of 4331288540 is about 1630.0679385034.

The spelling of 4331288540 in words is "four billion, three hundred thirty-one million, two hundred eighty-eight thousand, five hundred forty".