682040100 has 72 divisors (see below), whose sum is σ = 2255286208. Its totient is φ = 155894400.

The previous prime is 682040087. The next prime is 682040111. The reversal of 682040100 is 1040286.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160291 + ... + 164490.

Almost surely, 2^682040100 is an apocalyptic number.

682040100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

682040100 is an abundant number, since it is smaller than the sum of its proper divisors (1573246108).

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

682040100 is a wasteful number, since it uses less digits than its factorization.

682040100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324805 (or 324798 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 682040100 is about 26115.8974572960. The cubic root of 682040100 is about 880.2444654830.

Adding to 682040100 its reverse (1040286), we get a palindrome (683080386).

The spelling of 682040100 in words is "six hundred eighty-two million, forty thousand, one hundred".