349546403220 has 96 divisors (see below), whose sum is σ = 1118630811648. Its totient is φ = 79890440832.

The previous prime is 349546403207. The next prime is 349546403249. The reversal of 349546403220 is 22304645943.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8525289 + ... + 8566191.

It is an arithmetic number, because the mean of its divisors is an integer number (11652404288).

Almost surely, 2^349546403220 is an apocalyptic number.

349546403220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

349546403220 is an abundant number, since it is smaller than the sum of its proper divisors (769084408428).

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

349546403220 is a wasteful number, since it uses less digits than its factorization.

349546403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61269 (or 61267 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 349546403220 in words is "three hundred forty-nine billion, five hundred forty-six million, four hundred three thousand, two hundred twenty".