238234793340 has 24 divisors (see below), whose sum is σ = 667057421520. Its totient is φ = 63529278208.

The previous prime is 238234793299. The next prime is 238234793389. The reversal of 238234793340 is 43397432832.

It is a self number, because there is not a number n which added to its sum of digits gives 238234793340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985289885 + ... + 1985290004.

It is an arithmetic number, because the mean of its divisors is an integer number (27794059230).

Almost surely, 2^238234793340 is an apocalyptic number.

238234793340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238234793340 is an abundant number, since it is smaller than the sum of its proper divisors (428822628180).

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

238234793340 is a wasteful number, since it uses less digits than its factorization.

238234793340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970579901 (or 3970579899 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 48.

The spelling of 238234793340 in words is "two hundred thirty-eight billion, two hundred thirty-four million, seven hundred ninety-three thousand, three hundred forty".