345500477020 has 12 divisors (see below), whose sum is σ = 725551001784. Its totient is φ = 138200190800.

The previous prime is 345500476999. The next prime is 345500477029. The reversal of 345500477020 is 20774005543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345500477029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8637511906 + ... + 8637511945.

It is an arithmetic number, because the mean of its divisors is an integer number (60462583482).

Almost surely, 2^345500477020 is an apocalyptic number.

It is an amenable number.

345500477020 is an abundant number, since it is smaller than the sum of its proper divisors (380050524764).

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

345500477020 is a wasteful number, since it uses less digits than its factorization.

345500477020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17275023860 (or 17275023858 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The spelling of 345500477020 in words is "three hundred forty-five billion, five hundred million, four hundred seventy-seven thousand, twenty".