2001964480 has 28 divisors (see below), whose sum is σ = 4767178680. Its totient is φ = 800785664.

The previous prime is 2001964451. The next prime is 2001964501. The reversal of 2001964480 is 844691002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3127750 + ... + 3128389.

Almost surely, 2^2001964480 is an apocalyptic number.

2001964480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001964480 is an abundant number, since it is smaller than the sum of its proper divisors (2765214200).

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

2001964480 is an equidigital number, since it uses as much as digits as its factorization.

2001964480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256156 (or 6256146 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2001964480 is about 44743.3177133748. The cubic root of 2001964480 is about 1260.3334298563. Note that the first 3 decimals are identical.

The spelling of 2001964480 in words is "two billion, one million, nine hundred sixty-four thousand, four hundred eighty".