538744500 has 192 divisors, whose sum is σ = 1992506880. Its totient is φ = 123120000.

The previous prime is 538744489. The next prime is 538744511. The reversal of 538744500 is 5447835.

538744500 is a `hidden beast` number, since 538 + 74 + 4 + 50 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (538744489) and next prime (538744511).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91650 + ... + 97350.

It is an arithmetic number, because the mean of its divisors is an integer number (10377640).

Almost surely, 2^538744500 is an apocalyptic number.

538744500 is a gapful number since it is divisible by the number (50) 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 538744500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996253440).

538744500 is an abundant number, since it is smaller than the sum of its proper divisors (1453762380).

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

538744500 is a wasteful number, since it uses less digits than its factorization.

538744500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736 (or 5718 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 538744500 is about 23210.8702982030. The cubic root of 538744500 is about 813.6936931457.

The spelling of 538744500 in words is "five hundred thirty-eight million, seven hundred forty-four thousand, five hundred".