338906793550 has 24 divisors (see below), whose sum is σ = 678856378536. Its totient is φ = 125134815840.

The previous prime is 338906793523. The next prime is 338906793593. The reversal of 338906793550 is 55397609833.

It is a super-2 number, since 2×338906793550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260696884 + ... + 260698183.

It is an arithmetic number, because the mean of its divisors is an integer number (28285682439).

Almost surely, 2^338906793550 is an apocalyptic number.

338906793550 is an abundant number, since it is smaller than the sum of its proper divisors (339949584986).

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

338906793550 is a wasteful number, since it uses less digits than its factorization.

338906793550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521395092 (or 521395087 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 58.

The spelling of 338906793550 in words is "three hundred thirty-eight billion, nine hundred six million, seven hundred ninety-three thousand, five hundred fifty".