345557931860 has 48 divisors (see below), whose sum is σ = 749356608000. Its totient is φ = 133715041920.

The previous prime is 345557931809. The next prime is 345557931863. The reversal of 345557931860 is 68139755543.

It is a junction number, because it is equal to n+sod(n) for n = 345557931796 and 345557931805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345557931863) 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, 1603007 + ... + 1805753.

It is an arithmetic number, because the mean of its divisors is an integer number (15611596000).

Almost surely, 2^345557931860 is an apocalyptic number.

It is an amenable number.

345557931860 is an abundant number, since it is smaller than the sum of its proper divisors (403798676140).

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

345557931860 is a wasteful number, since it uses less digits than its factorization.

345557931860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205536 (or 205534 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 345557931860 in words is "three hundred forty-five billion, five hundred fifty-seven million, nine hundred thirty-one thousand, eight hundred sixty".