682040412 has 60 divisors (see below), whose sum is σ = 1826511456. Its totient is φ = 221797440.

The previous prime is 682040407. The next prime is 682040431. The reversal of 682040412 is 214040286.

It is a super-2 number, since 2×682040412² = 930358247202259488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12388 + ... + 38955.

Almost surely, 2^682040412 is an apocalyptic number.

It is an amenable number.

682040412 is an abundant number, since it is smaller than the sum of its proper divisors (1144471044).

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

682040412 is a wasteful number, since it uses less digits than its factorization.

682040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51400 (or 51389 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 682040412 is about 26115.9034306684. The cubic root of 682040412 is about 880.2445997059.

Adding to 682040412 its reverse (214040286), we get a palindrome (896080698).

The spelling of 682040412 in words is "six hundred eighty-two million, forty thousand, four hundred twelve".