204401381576 has 16 divisors (see below), whose sum is σ = 438002960640. Its totient is φ = 87600592080.

The previous prime is 204401381557. The next prime is 204401381603. The reversal of 204401381576 is 675183104402.

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, 1825012280 + ... + 1825012391.

It is an arithmetic number, because the mean of its divisors is an integer number (27375185040).

Almost surely, 2^204401381576 is an apocalyptic number.

It is an amenable number.

204401381576 is an abundant number, since it is smaller than the sum of its proper divisors (233601579064).

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

204401381576 is a wasteful number, since it uses less digits than its factorization.

204401381576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650024684 (or 3650024680 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

Adding to 204401381576 its reverse (675183104402), we get a palindrome (879584485978).

The spelling of 204401381576 in words is "two hundred four billion, four hundred one million, three hundred eighty-one thousand, five hundred seventy-six".