349731724280 has 32 divisors (see below), whose sum is σ = 786928217040. Its totient is φ = 139887029760.

The previous prime is 349731724271. The next prime is 349731724291. The reversal of 349731724280 is 82427137943.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 905975 + ... + 1232985.

Almost surely, 2^349731724280 is an apocalyptic number.

It is an amenable number.

349731724280 is an abundant number, since it is smaller than the sum of its proper divisors (437196492760).

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

349731724280 is a wasteful number, since it uses less digits than its factorization.

349731724280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353759 (or 353755 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 349731724280 in words is "three hundred forty-nine billion, seven hundred thirty-one million, seven hundred twenty-four thousand, two hundred eighty".