345427375840 has 48 divisors (see below), whose sum is σ = 816504902640. Its totient is φ = 138097684480.

The previous prime is 345427375823. The next prime is 345427375877. The reversal of 345427375840 is 48573724543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269206 + ... + 873685.

It is an arithmetic number, because the mean of its divisors is an integer number (17010518805).

Almost surely, 2^345427375840 is an apocalyptic number.

It is an amenable number.

345427375840 is an abundant number, since it is smaller than the sum of its proper divisors (471077526800).

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

345427375840 is a wasteful number, since it uses less digits than its factorization.

345427375840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144795 (or 1144787 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 52.

The spelling of 345427375840 in words is "three hundred forty-five billion, four hundred twenty-seven million, three hundred seventy-five thousand, eight hundred forty".