82001456 has 20 divisors (see below), whose sum is σ = 159934704. Its totient is φ = 40728000.

The previous prime is 82001453. The next prime is 82001471. The reversal of 82001456 is 65410028.

It is a super-2 number, since 2×82001456² = 13448477572239872, which contains 22 as substring.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (82001453) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14555 + ... + 19386.

Almost surely, 2^82001456 is an apocalyptic number.

It is an amenable number.

82001456 is a deficient number, since it is larger than the sum of its proper divisors (77933248).

82001456 is a wasteful number, since it uses less digits than its factorization.

82001456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34100 (or 34094 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 82001456 is about 9055.4655319315. The cubic root of 82001456 is about 434.4507199295.

The spelling of 82001456 in words is "eighty-two million, one thousand, four hundred fifty-six".