345228277674280 has 256 divisors, whose sum is σ = 1045723481510400. Its totient is φ = 99060122603520.

The previous prime is 345228277674277. The next prime is 345228277674317. The reversal of 345228277674280 is 82476772822543.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3377166 + ... + 26492674.

It is an arithmetic number, because the mean of its divisors is an integer number (4084857349650).

Almost surely, 2^{345228277674280} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345228277674280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522861740755200).

345228277674280 is an abundant number, since it is smaller than the sum of its proper divisors (700495203836120).

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

345228277674280 is a wasteful number, since it uses less digits than its factorization.

345228277674280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23115924 (or 23115920 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 67.

The spelling of 345228277674280 in words is "three hundred forty-five trillion, two hundred twenty-eight billion, two hundred seventy-seven million, six hundred seventy-four thousand, two hundred eighty".