203104453040 has 20 divisors (see below), whose sum is σ = 472217853504. Its totient is φ = 81241781184.

The previous prime is 203104453031. The next prime is 203104453043. The reversal of 203104453040 is 40354401302.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (203104453043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269402752 + ... + 1269402911.

Almost surely, 2^203104453040 is an apocalyptic number.

203104453040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203104453040 is an abundant number, since it is smaller than the sum of its proper divisors (269113400464).

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

203104453040 is a wasteful number, since it uses less digits than its factorization.

203104453040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538805676 (or 2538805670 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 203104453040 its reverse (40354401302), we get a palindrome (243458854342).

The spelling of 203104453040 in words is "two hundred three billion, one hundred four million, four hundred fifty-three thousand, forty".