5230138992 has 120 divisors (see below), whose sum is σ = 14850370944. Its totient is φ = 1585089792.

The previous prime is 5230138973. The next prime is 5230138999. The reversal of 5230138992 is 2998310325.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5230138999) 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 23 ways as a sum of consecutive naturals, for example, 538693 + ... + 548315.

Almost surely, 2^5230138992 is an apocalyptic number.

5230138992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5230138992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7425185472).

5230138992 is an abundant number, since it is smaller than the sum of its proper divisors (9620231952).

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

5230138992 is a wasteful number, since it uses less digits than its factorization.

5230138992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727 (or 9708 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 5230138992 is about 72319.6998887578. The cubic root of 5230138992 is about 1735.8188896268.

The spelling of 5230138992 in words is "five billion, two hundred thirty million, one hundred thirty-eight thousand, nine hundred ninety-two".