238449903012 has 18 divisors (see below), whose sum is σ = 602748366038. Its totient is φ = 79483300992.

The previous prime is 238449903007. The next prime is 238449903073. The reversal of 238449903012 is 210309944832.

It can be written as a sum of positive squares in only one way, i.e., 198154961316 + 40294941696 = 445146^2 + 200736^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3311804173 + ... + 3311804244.

Almost surely, 2^238449903012 is an apocalyptic number.

It is an amenable number.

238449903012 is an abundant number, since it is smaller than the sum of its proper divisors (364298463026).

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

238449903012 is a wasteful number, since it uses less digits than its factorization.

238449903012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6623608427 (or 6623608422 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 238449903012 in words is "two hundred thirty-eight billion, four hundred forty-nine million, nine hundred three thousand, twelve".