349045666550 has 48 divisors (see below), whose sum is σ = 757113669600. Its totient is φ = 119672794080.

The previous prime is 349045666523. The next prime is 349045666577. The reversal of 349045666550 is 55666540943.

It is an interprime number because it is at equal distance from previous prime (349045666523) and next prime (349045666577).

It is a junction number, because it is equal to n+sod(n) for n = 349045666492 and 349045666501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10159109 + ... + 10193408.

It is an arithmetic number, because the mean of its divisors is an integer number (15773201450).

Almost surely, 2^349045666550 is an apocalyptic number.

349045666550 is an abundant number, since it is smaller than the sum of its proper divisors (408068003050).

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

349045666550 is a wasteful number, since it uses less digits than its factorization.

349045666550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352550 (or 20352531 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 349045666550 in words is "three hundred forty-nine billion, forty-five million, six hundred sixty-six thousand, five hundred fifty".