2082456840 has 64 divisors (see below), whose sum is σ = 6252681600. Its totient is φ = 554849792.

The previous prime is 2082456809. The next prime is 2082456841. The reversal of 2082456840 is 486542802.

It is not an unprimeable number, because it can be changed into a prime (2082456841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147949 + ... + 161411.

It is an arithmetic number, because the mean of its divisors is an integer number (97698150).

Almost surely, 2^2082456840 is an apocalyptic number.

2082456840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2082456840 is an abundant number, since it is smaller than the sum of its proper divisors (4170224760).

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

2082456840 is a wasteful number, since it uses less digits than its factorization.

2082456840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14766 (or 14762 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 2082456840 is about 45633.9439452695. The cubic root of 2082456840 is about 1277.0032515028.

The spelling of 2082456840 in words is "two billion, eighty-two million, four hundred fifty-six thousand, eight hundred forty".