204435424534402 has 64 divisors (see below), whose sum is σ = 339864606851040. Its totient is φ = 91791271936000.

The previous prime is 204435424534357. The next prime is 204435424534427.

It is a happy number.

204435424534402 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 115507488048481 + 88927936485921 = 10747441^2 + 9430161^2 .

It is a super-2 number, since 2×204435424534402² (a number of 29 digits) contains 22 as substring.

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, 49914198 + ... + 53854414.

Almost surely, 2^{204435424534402} is an apocalyptic number.

204435424534402 is a deficient number, since it is larger than the sum of its proper divisors (135429182316638).

204435424534402 is a wasteful number, since it uses less digits than its factorization.

204435424534402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940887.

The product of its (nonzero) digits is 7372800, while the sum is 46.

The spelling of 204435424534402 in words is "two hundred four trillion, four hundred thirty-five billion, four hundred twenty-four million, five hundred thirty-four thousand, four hundred two".