682279540 has 24 divisors (see below), whose sum is σ = 1457074080. Its totient is φ = 268285728.

The previous prime is 682279537. The next prime is 682279553. The reversal of 682279540 is 45972286.

It is a super-2 number, since 2×682279540² = 931010741405223200, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 287922 + ... + 290281.

It is an arithmetic number, because the mean of its divisors is an integer number (60711420).

Almost surely, 2^682279540 is an apocalyptic number.

It is an amenable number.

682279540 is an abundant number, since it is smaller than the sum of its proper divisors (774794540).

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

682279540 is a wasteful number, since it uses less digits than its factorization.

682279540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578271 (or 578269 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 682279540 is about 26120.4812359956. The cubic root of 682279540 is about 880.3474609303.

The spelling of 682279540 in words is "six hundred eighty-two million, two hundred seventy-nine thousand, five hundred forty".