2002326456 has 128 divisors (see below), whose sum is σ = 5807370240. Its totient is φ = 570240000.

The previous prime is 2002326421. The next prime is 2002326461. The reversal of 2002326456 is 6546232002.

It is a super-2 number, since 2×2002326456² = 8018622472795039872, 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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217956 + ... + 226956.

It is an arithmetic number, because the mean of its divisors is an integer number (45370080).

Almost surely, 2^2002326456 is an apocalyptic number.

2002326456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002326456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903685120).

2002326456 is an abundant number, since it is smaller than the sum of its proper divisors (3805043784).

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

2002326456 is a wasteful number, since it uses less digits than its factorization.

2002326456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077 (or 9073 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2002326456 is about 44747.3625591498. The cubic root of 2002326456 is about 1260.4093857428.

Adding to 2002326456 its reverse (6546232002), we get a palindrome (8548558458).

The spelling of 2002326456 in words is "two billion, two million, three hundred twenty-six thousand, four hundred fifty-six".