5138020500 has 96 divisors (see below), whose sum is σ = 15842107008. Its totient is φ = 1289536000.

The previous prime is 5138020471. The next prime is 5138020501. The reversal of 5138020500 is 50208315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138020501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75246 + ... + 126245.

It is an arithmetic number, because the mean of its divisors is an integer number (165021948).

Almost surely, 2^5138020500 is an apocalyptic number.

5138020500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5138020500 is an abundant number, since it is smaller than the sum of its proper divisors (10704086508).

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

5138020500 is a wasteful number, since it uses less digits than its factorization.

5138020500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201530 (or 201518 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5138020500 is about 71679.9867466506. The cubic root of 5138020500 is about 1725.5674671561.

Adding to 5138020500 its reverse (50208315), we get a palindrome (5188228815).

The spelling of 5138020500 in words is "five billion, one hundred thirty-eight million, twenty thousand, five hundred".