238291591472 has 20 divisors (see below), whose sum is σ = 503661773256. Its totient is φ = 108314359680.

The previous prime is 238291591453. The next prime is 238291591487. The reversal of 238291591472 is 274195192832.

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, 676964573 + ... + 676964924.

Almost surely, 2^238291591472 is an apocalyptic number.

238291591472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238291591472 is an abundant number, since it is smaller than the sum of its proper divisors (265370181784).

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

238291591472 is a wasteful number, since it uses less digits than its factorization.

238291591472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353929516 (or 1353929510 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 238291591472 in words is "two hundred thirty-eight billion, two hundred ninety-one million, five hundred ninety-one thousand, four hundred seventy-two".