4238997500 has 60 divisors (see below), whose sum is σ = 9520583688. Its totient is φ = 1649736000.

The previous prime is 4238997467. The next prime is 4238997517. The reversal of 4238997500 is 57998324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69587 + ... + 115413.

Almost surely, 2^4238997500 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 4238997500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4760291844).

4238997500 is an abundant number, since it is smaller than the sum of its proper divisors (5281586188).

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

4238997500 is a wasteful number, since it uses less digits than its factorization.

4238997500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45888 (or 45871 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 4238997500 is about 65107.5840436427. The cubic root of 4238997500 is about 1618.4068954746.

The spelling of 4238997500 in words is "four billion, two hundred thirty-eight million, nine hundred ninety-seven thousand, five hundred".