203585968404 has 96 divisors (see below), whose sum is σ = 649619075840. Its totient is φ = 53693000064.

The previous prime is 203585968379. The next prime is 203585968409. The reversal of 203585968404 is 404869585302.

203585968404 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 8 + 596 + 8 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203585968409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10347619 + ... + 10367274.

Almost surely, 2^203585968404 is an apocalyptic number.

It is an amenable number.

203585968404 is an abundant number, since it is smaller than the sum of its proper divisors (446033107436).

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

203585968404 is a wasteful number, since it uses less digits than its factorization.

203585968404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20714926 (or 20714918 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 203585968404 in words is "two hundred three billion, five hundred eighty-five million, nine hundred sixty-eight thousand, four hundred four".