38538140052258 has 80 divisors (see below), whose sum is σ = 107662105577664. Its totient is φ = 10009906503840.

The previous prime is 38538140052253. The next prime is 38538140052289. The reversal of 38538140052258 is 85225004183583.

It is a happy number.

38538140052258 is a `hidden beast` number, since 3 + 8 + 5 + 3 + 8 + 1 + 400 + 5 + 225 + 8 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38538140052253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1544726185 + ... + 1544751132.

Almost surely, 2^{38538140052258} is an apocalyptic number.

38538140052258 is an abundant number, since it is smaller than the sum of its proper divisors (69123965525406).

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

38538140052258 is a wasteful number, since it uses less digits than its factorization.

38538140052258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089477349 (or 3089477340 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 38538140052258 in words is "thirty-eight trillion, five hundred thirty-eight billion, one hundred forty million, fifty-two thousand, two hundred fifty-eight".