203400044 has 6 divisors (see below), whose sum is σ = 355950084. Its totient is φ = 101700020.

The previous prime is 203400037. The next prime is 203400059. The reversal of 203400044 is 440004302.

It is a junction number, because it is equal to n+sod(n) for n = 203399995 and 203400031.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25425002 + ... + 25425009.

It is an arithmetic number, because the mean of its divisors is an integer number (59325014).

Almost surely, 2^203400044 is an apocalyptic number.

It is an amenable number.

203400044 is a deficient number, since it is larger than the sum of its proper divisors (152550040).

203400044 is a wasteful number, since it uses less digits than its factorization.

203400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50850015 (or 50850013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 203400044 is about 14261.8387313838. The cubic root of 203400044 is about 588.0988734962.

Adding to 203400044 its reverse (440004302), we get a palindrome (643404346).

The spelling of 203400044 in words is "two hundred three million, four hundred thousand, forty-four".