345635718220 has 48 divisors (see below), whose sum is σ = 781776011520. Its totient is φ = 127601784576.

The previous prime is 345635718217. The next prime is 345635718223. The reversal of 345635718220 is 22817536543.

It is an interprime number because it is at equal distance from previous prime (345635718217) and next prime (345635718223).

It is not an unprimeable number, because it can be changed into a prime (345635718223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883926 + ... + 2059234.

It is an arithmetic number, because the mean of its divisors is an integer number (16287000240).

Almost surely, 2^345635718220 is an apocalyptic number.

It is an amenable number.

345635718220 is an abundant number, since it is smaller than the sum of its proper divisors (436140293300).

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

345635718220 is a wasteful number, since it uses less digits than its factorization.

345635718220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182914 (or 182912 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 345635718220 in words is "three hundred forty-five billion, six hundred thirty-five million, seven hundred eighteen thousand, two hundred twenty".