204100455404 has 12 divisors (see below), whose sum is σ = 357234595200. Its totient is φ = 102033428208.

The previous prime is 204100455353. The next prime is 204100455421. The reversal of 204100455404 is 404554001402.

It is a super-2 number, since 2×204100455404² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172519 + ... + 4221150.

It is an arithmetic number, because the mean of its divisors is an integer number (29769549600).

Almost surely, 2^204100455404 is an apocalyptic number.

It is an amenable number.

204100455404 is a deficient number, since it is larger than the sum of its proper divisors (153134139796).

204100455404 is a wasteful number, since it uses less digits than its factorization.

204100455404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399752 (or 8399750 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 204100455404 its reverse (404554001402), we get a palindrome (608654456806).

The spelling of 204100455404 in words is "two hundred four billion, one hundred million, four hundred fifty-five thousand, four hundred four".