204354323453402 has 32 divisors (see below), whose sum is σ = 320250197195280. Its totient is φ = 97674283123200.

The previous prime is 204354323453381. The next prime is 204354323453447.

204354323453402 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 127173864025321 + 77180459428081 = 11277139^2 + 8785241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215059328 + ... + 216007460.

Almost surely, 2^{204354323453402} is an apocalyptic number.

204354323453402 is a deficient number, since it is larger than the sum of its proper divisors (115895873741878).

204354323453402 is a wasteful number, since it uses less digits than its factorization.

204354323453402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985058.

The product of its (nonzero) digits is 4147200, while the sum is 44.

The spelling of 204354323453402 in words is "two hundred four trillion, three hundred fifty-four billion, three hundred twenty-three million, four hundred fifty-three thousand, four hundred two".