680455170270 has 24 divisors (see below), whose sum is σ = 1769183442936. Its totient is φ = 181454712048.

The previous prime is 680455170233. The next prime is 680455170277. The reversal of 680455170270 is 72071554086.

680455170270 is a `hidden beast` number, since 6 + 8 + 0 + 4 + 551 + 70 + 27 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680455170277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3780306412 + ... + 3780306591.

It is an arithmetic number, because the mean of its divisors is an integer number (73715976789).

Almost surely, 2^680455170270 is an apocalyptic number.

680455170270 is an abundant number, since it is smaller than the sum of its proper divisors (1088728272666).

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

680455170270 is a wasteful number, since it uses less digits than its factorization.

680455170270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560613016 (or 7560613013 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 680455170270 in words is "six hundred eighty billion, four hundred fifty-five million, one hundred seventy thousand, two hundred seventy".