345423575466 has 80 divisors (see below), whose sum is σ = 779984140320. Its totient is φ = 114252573600.

The previous prime is 345423575377. The next prime is 345423575489. The reversal of 345423575466 is 664575324543.

345423575466 is a `hidden beast` number, since 3 + 4 + 5 + 4 + 2 + 3 + 575 + 4 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 68384641 + ... + 68389691.

It is an arithmetic number, because the mean of its divisors is an integer number (9749801754).

Almost surely, 2^345423575466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345423575466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389992070160).

345423575466 is an abundant number, since it is smaller than the sum of its proper divisors (434560564854).

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

345423575466 is a wasteful number, since it uses less digits than its factorization.

345423575466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241 (or 8232 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 54.

The spelling of 345423575466 in words is "three hundred forty-five billion, four hundred twenty-three million, five hundred seventy-five thousand, four hundred sixty-six".