2001400466 has 16 divisors (see below), whose sum is σ = 3237509184. Its totient is φ = 922443984.

The previous prime is 2001400459. The next prime is 2001400481. The reversal of 2001400466 is 6640041002.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 34040 + ... + 71843.

It is an arithmetic number, because the mean of its divisors is an integer number (202344324).

Almost surely, 2^2001400466 is an apocalyptic number.

2001400466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2001400466 is a deficient number, since it is larger than the sum of its proper divisors (1236108718).

2001400466 is a wasteful number, since it uses less digits than its factorization.

2001400466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106625.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2001400466 is about 44737.0144958288. The cubic root of 2001400466 is about 1260.2150607124.

Adding to 2001400466 its reverse (6640041002), we get a palindrome (8641441468).

The spelling of 2001400466 in words is "two billion, one million, four hundred thousand, four hundred sixty-six".