2133563840 has 56 divisors (see below), whose sum is σ = 5244461952. Its totient is φ = 825891840.

The previous prime is 2133563833. The next prime is 2133563849. The reversal of 2133563840 is 483653312.

It is a self number, because there is not a number n which added to its sum of digits gives 2133563840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133563849) by changing a digit.

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, 97619 + ... + 117458.

Almost surely, 2^2133563840 is an apocalyptic number.

2133563840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133563840 is an abundant number, since it is smaller than the sum of its proper divisors (3110898112).

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

2133563840 is a wasteful number, since it uses less digits than its factorization.

2133563840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215125 (or 215115 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2133563840 is about 46190.5167756326. The cubic root of 2133563840 is about 1287.3655427501.

The spelling of 2133563840 in words is "two billion, one hundred thirty-three million, five hundred sixty-three thousand, eight hundred forty".