203412949728 has 24 divisors (see below), whose sum is σ = 533958993288. Its totient is φ = 67804316544.

The previous prime is 203412949697. The next prime is 203412949771. The reversal of 203412949728 is 827949214302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

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, 1059442351 + ... + 1059442542.

It is an arithmetic number, because the mean of its divisors is an integer number (22248291387).

Almost surely, 2^203412949728 is an apocalyptic number.

It is an amenable number.

203412949728 is an abundant number, since it is smaller than the sum of its proper divisors (330546043560).

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

203412949728 is a wasteful number, since it uses less digits than its factorization.

203412949728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118884906 (or 2118884898 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 203412949728 in words is "two hundred three billion, four hundred twelve million, nine hundred forty-nine thousand, seven hundred twenty-eight".