349503603408 has 40 divisors (see below), whose sum is σ = 1003204788800. Its totient is φ = 116501200992.

The previous prime is 349503603401. The next prime is 349503603413. The reversal of 349503603408 is 804306305943.

349503603408 is a `hidden beast` number, since 3 + 49 + 503 + 60 + 3 + 40 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349503603401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404517628 + ... + 404518491.

It is an arithmetic number, because the mean of its divisors is an integer number (25080119720).

Almost surely, 2^349503603408 is an apocalyptic number.

It is an amenable number.

349503603408 is an abundant number, since it is smaller than the sum of its proper divisors (653701185392).

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

349503603408 is a wasteful number, since it uses less digits than its factorization.

349503603408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809036136 (or 809036124 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 349503603408 in words is "three hundred forty-nine billion, five hundred three million, six hundred three thousand, four hundred eight".