338728556194 has 16 divisors (see below), whose sum is σ = 581194628928. Its totient is φ = 145040105232.

The previous prime is 338728556143. The next prime is 338728556203. The reversal of 338728556194 is 491655827833.

It is a happy number.

It is a super-2 number, since 2×338728556194² (a number of 24 digits) contains 22 as substring.

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, 10756717 + ... + 10788160.

It is an arithmetic number, because the mean of its divisors is an integer number (36324664308).

Almost surely, 2^338728556194 is an apocalyptic number.

338728556194 is a deficient number, since it is larger than the sum of its proper divisors (242466072734).

338728556194 is a wasteful number, since it uses less digits than its factorization.

338728556194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21546009.

The product of its digits is 43545600, while the sum is 61.

The spelling of 338728556194 in words is "three hundred thirty-eight billion, seven hundred twenty-eight million, five hundred fifty-six thousand, one hundred ninety-four".