203444100404 has 6 divisors (see below), whose sum is σ = 356027175714. Its totient is φ = 101722050200.

The previous prime is 203444100367. The next prime is 203444100413. The reversal of 203444100404 is 404001444302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 183914037904 + 19530062500 = 428852^2 + 139750^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25430512547 + ... + 25430512554.

It is an arithmetic number, because the mean of its divisors is an integer number (59337862619).

Almost surely, 2^203444100404 is an apocalyptic number.

It is an amenable number.

203444100404 is a deficient number, since it is larger than the sum of its proper divisors (152583075310).

203444100404 is a wasteful number, since it uses less digits than its factorization.

203444100404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50861025105 (or 50861025103 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 203444100404 its reverse (404001444302), we get a palindrome (607445544706).

The spelling of 203444100404 in words is "two hundred three billion, four hundred forty-four million, one hundred thousand, four hundred four".