238453404768 has 96 divisors (see below), whose sum is σ = 695676441600. Its totient is φ = 79463058048.

The previous prime is 238453404757. The next prime is 238453404769. The reversal of 238453404768 is 867404354832.

238453404768 is a `hidden beast` number, since 2 + 3 + 8 + 4 + 534 + 0 + 47 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238453404769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3350805 + ... + 3421227.

It is an arithmetic number, because the mean of its divisors is an integer number (7246629600).

Almost surely, 2^238453404768 is an apocalyptic number.

It is an amenable number.

238453404768 is an abundant number, since it is smaller than the sum of its proper divisors (457223036832).

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

238453404768 is a wasteful number, since it uses less digits than its factorization.

238453404768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74361 (or 74347 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 238453404768 in words is "two hundred thirty-eight billion, four hundred fifty-three million, four hundred four thousand, seven hundred sixty-eight".