204541024542 has 16 divisors (see below), whose sum is σ = 416800578960. Its totient is φ = 66893919872.

The previous prime is 204541024511. The next prime is 204541024543. The reversal of 204541024542 is 245420145402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204541024543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321605067 + ... + 321605702.

It is an arithmetic number, because the mean of its divisors is an integer number (26050036185).

Almost surely, 2^204541024542 is an apocalyptic number.

204541024542 is an abundant number, since it is smaller than the sum of its proper divisors (212259554418).

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

204541024542 is a wasteful number, since it uses less digits than its factorization.

204541024542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643210827.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 204541024542 its reverse (245420145402), we get a palindrome (449961169944).

The spelling of 204541024542 in words is "two hundred four billion, five hundred forty-one million, twenty-four thousand, five hundred forty-two".