238719431916 has 144 divisors (see below), whose sum is σ = 712403980288. Its totient is φ = 65956809600.

The previous prime is 238719431911. The next prime is 238719431941. The reversal of 238719431916 is 619134917832.

238719431916 is a `hidden beast` number, since 238 + 7 + 1 + 94 + 319 + 1 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (238719431911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11340321 + ... + 11361351.

Almost surely, 2^238719431916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238719431916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356201990144).

238719431916 is an abundant number, since it is smaller than the sum of its proper divisors (473684548372).

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

238719431916 is a wasteful number, since it uses less digits than its factorization.

238719431916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22532 (or 22527 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 238719431916 in words is "two hundred thirty-eight billion, seven hundred nineteen million, four hundred thirty-one thousand, nine hundred sixteen".