204375573402 has 128 divisors (see below), whose sum is σ = 563646117888. Its totient is φ = 47676729600.

The previous prime is 204375573383. The next prime is 204375573427.

204375573402 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 237624 + ... + 682067.

It is an arithmetic number, because the mean of its divisors is an integer number (4403485296).

Almost surely, 2^204375573402 is an apocalyptic number.

204375573402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204375573402 is an abundant number, since it is smaller than the sum of its proper divisors (359270544486).

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

204375573402 is a wasteful number, since it uses less digits than its factorization.

204375573402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919764.

The product of its (nonzero) digits is 705600, while the sum is 42.

It can be divided in two parts, 204375 and 573402, that added together give a palindrome (777777).

The spelling of 204375573402 in words is "two hundred four billion, three hundred seventy-five million, five hundred seventy-three thousand, four hundred two".