238742204355 has 16 divisors (see below), whose sum is σ = 424430585760. Its totient is φ = 127329175584.

The previous prime is 238742204353. The next prime is 238742204429. The reversal of 238742204355 is 553402247832.

238742204355 is a `hidden beast` number, since 2 + 3 + 8 + 74 + 220 + 4 + 355 = 666.

It is not a de Polignac number, because 238742204355 - 2¹ = 238742204353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 238742204355.

It is not an unprimeable number, because it can be changed into a prime (238742204353) 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, 884230252 + ... + 884230521.

It is an arithmetic number, because the mean of its divisors is an integer number (26526911610).

Almost surely, 2^238742204355 is an apocalyptic number.

238742204355 is a deficient number, since it is larger than the sum of its proper divisors (185688381405).

238742204355 is a wasteful number, since it uses less digits than its factorization.

238742204355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768460787 (or 1768460781 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 238742204355 in words is "two hundred thirty-eight billion, seven hundred forty-two million, two hundred four thousand, three hundred fifty-five".