680281546 has 16 divisors (see below), whose sum is σ = 1203816960. Its totient is φ = 282144240.

The previous prime is 680281541. The next prime is 680281549. The reversal of 680281546 is 645182086.

It is a junction number, because it is equal to n+sod(n) for n = 680281499 and 680281508.

It is not an unprimeable number, because it can be changed into a prime (680281541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783301 + ... + 784168.

It is an arithmetic number, because the mean of its divisors is an integer number (75238560).

Almost surely, 2^680281546 is an apocalyptic number.

680281546 is a deficient number, since it is larger than the sum of its proper divisors (523535414).

680281546 is a wasteful number, since it uses less digits than its factorization.

680281546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567509.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 680281546 is about 26082.2074602592. The cubic root of 680281546 is about 879.4872813923.

The spelling of 680281546 in words is "six hundred eighty million, two hundred eighty-one thousand, five hundred forty-six".