184538238552 has 128 divisors (see below), whose sum is σ = 517974912000. Its totient is φ = 60869422080.

The previous prime is 184538238539. The next prime is 184538238583. The reversal of 184538238552 is 255832835481.

It is a happy number.

184538238552 is a `hidden beast` number, since 1 + 8 + 4 + 5 + 3 + 82 + 3 + 8 + 552 = 666.

It is a super-2 number, since 2×184538238552² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42024277 + ... + 42028667.

It is an arithmetic number, because the mean of its divisors is an integer number (4046679000).

Almost surely, 2^184538238552 is an apocalyptic number.

184538238552 is a gapful number since it is divisible by the number (12) 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 184538238552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258987456000).

184538238552 is an abundant number, since it is smaller than the sum of its proper divisors (333436673448).

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

184538238552 is a wasteful number, since it uses less digits than its factorization.

184538238552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398 (or 6388 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 184538238552 in words is "one hundred eighty-four billion, five hundred thirty-eight million, two hundred thirty-eight thousand, five hundred fifty-two".