338540515428 has 48 divisors (see below), whose sum is σ = 819914600960. Its totient is φ = 108603244800.

The previous prime is 338540515427. The next prime is 338540515471. The reversal of 338540515428 is 824515045833.

It is a super-2 number, since 2×338540515428² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338540515427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2446633 + ... + 2581296.

Almost surely, 2^338540515428 is an apocalyptic number.

It is an amenable number.

338540515428 is an abundant number, since it is smaller than the sum of its proper divisors (481374085532).

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

338540515428 is a wasteful number, since it uses less digits than its factorization.

338540515428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028148 (or 5028146 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 338540515428 in words is "three hundred thirty-eight billion, five hundred forty million, five hundred fifteen thousand, four hundred twenty-eight".