349911020540 has 24 divisors (see below), whose sum is σ = 760151528640. Its totient is φ = 135138049088.

The previous prime is 349911020521. The next prime is 349911020549. The reversal of 349911020540 is 45020119943.

It is a junction number, because it is equal to n+sod(n) for n = 349911020494 and 349911020503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349911020549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301646852 + ... + 301648011.

It is an arithmetic number, because the mean of its divisors is an integer number (31672980360).

Almost surely, 2^349911020540 is an apocalyptic number.

It is an amenable number.

349911020540 is an abundant number, since it is smaller than the sum of its proper divisors (410240508100).

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

349911020540 is a wasteful number, since it uses less digits than its factorization.

349911020540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603294901 (or 603294899 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 349911020540 in words is "three hundred forty-nine billion, nine hundred eleven million, twenty thousand, five hundred forty".