349086012220 has 48 divisors (see below), whose sum is σ = 801366709248. Its totient is φ = 126679671360.

The previous prime is 349086012217. The next prime is 349086012269. The reversal of 349086012220 is 22210680943.

It is a happy number.

It is a super-2 number, since 2×349086012220² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349086012220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521972 + ... + 1736251.

It is an arithmetic number, because the mean of its divisors is an integer number (16695139776).

Almost surely, 2^349086012220 is an apocalyptic number.

It is an amenable number.

349086012220 is an abundant number, since it is smaller than the sum of its proper divisors (452280697028).

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

349086012220 is a wasteful number, since it uses less digits than its factorization.

349086012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258730 (or 3258728 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 349086012220 in words is "three hundred forty-nine billion, eighty-six million, twelve thousand, two hundred twenty".