338153343438 has 32 divisors (see below), whose sum is σ = 680066989056. Its totient is φ = 112092147648.

The previous prime is 338153343433. The next prime is 338153343457. The reversal of 338153343438 is 834343351833.

It is a super-2 number, since 2×338153343438² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338153343433) 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, 1118845 + ... + 1388567.

It is an arithmetic number, because the mean of its divisors is an integer number (21252093408).

Almost surely, 2^338153343438 is an apocalyptic number.

338153343438 is an abundant number, since it is smaller than the sum of its proper divisors (341913645618).

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

338153343438 is a wasteful number, since it uses less digits than its factorization.

338153343438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270888.

The product of its digits is 3732480, while the sum is 48.

The spelling of 338153343438 in words is "three hundred thirty-eight billion, one hundred fifty-three million, three hundred forty-three thousand, four hundred thirty-eight".