204436042532 has 36 divisors (see below), whose sum is σ = 371270718000. Its totient is φ = 98494671072.

The previous prime is 204436042523. The next prime is 204436042549. The reversal of 204436042532 is 235240634402.

It is a happy number.

It is a super-2 number, since 2×204436042532² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204436042492 and 204436042501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1617743 + ... + 1739529.

It is an arithmetic number, because the mean of its divisors is an integer number (10313075500).

Almost surely, 2^204436042532 is an apocalyptic number.

It is an amenable number.

204436042532 is a deficient number, since it is larger than the sum of its proper divisors (166834675468).

204436042532 is a wasteful number, since it uses less digits than its factorization.

204436042532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122348 (or 122317 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 204436042532 its reverse (235240634402), we get a palindrome (439676676934).

The spelling of 204436042532 in words is "two hundred four billion, four hundred thirty-six million, forty-two thousand, five hundred thirty-two".