680254190 has 64 divisors (see below), whose sum is σ = 1541887488. Its totient is φ = 209904000.

The previous prime is 680254181. The next prime is 680254217. The reversal of 680254190 is 91452086.

It is a super-2 number, since 2×680254190² = 925491526025112200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 680254190.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73397 + ... + 82143.

It is an arithmetic number, because the mean of its divisors is an integer number (24091992).

Almost surely, 2^680254190 is an apocalyptic number.

680254190 is an abundant number, since it is smaller than the sum of its proper divisors (861633298).

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

680254190 is a wasteful number, since it uses less digits than its factorization.

680254190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 680254190 is about 26081.6830361846. The cubic root of 680254190 is about 879.4754923633.

The spelling of 680254190 in words is "six hundred eighty million, two hundred fifty-four thousand, one hundred ninety".