204525123444 has 60 divisors (see below), whose sum is σ = 543731311200. Its totient is φ = 67019525712.

The previous prime is 204525123403. The next prime is 204525123469. The reversal of 204525123444 is 444321525402.

204525123444 is a `hidden beast` number, since 2 + 0 + 4 + 525 + 123 + 4 + 4 + 4 = 666.

It is a super-2 number, since 2×204525123444² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 204525123399 and 204525123408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5330464 + ... + 5368695.

It is an arithmetic number, because the mean of its divisors is an integer number (9062188520).

Almost surely, 2^204525123444 is an apocalyptic number.

It is an amenable number.

204525123444 is an abundant number, since it is smaller than the sum of its proper divisors (339206187756).

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

204525123444 is a wasteful number, since it uses less digits than its factorization.

204525123444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699234 (or 10699223 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 204525123444 its reverse (444321525402), we get a palindrome (648846648846).

The spelling of 204525123444 in words is "two hundred four billion, five hundred twenty-five million, one hundred twenty-three thousand, four hundred forty-four".