2043993402 has 96 divisors (see below), whose sum is σ = 5173683840. Its totient is φ = 576322560.

The previous prime is 2043993353. The next prime is 2043993403.

2043993402 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2043993403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296163 + ... + 302985.

It is an arithmetic number, because the mean of its divisors is an integer number (53892540).

Almost surely, 2^2043993402 is an apocalyptic number.

2043993402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043993402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2586841920).

2043993402 is an abundant number, since it is smaller than the sum of its proper divisors (3129690438).

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

2043993402 is a wasteful number, since it uses less digits than its factorization.

2043993402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6945 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 2043993402 is about 45210.5452521865. The cubic root of 2043993402 is about 1269.0921658064.

The spelling of 2043993402 in words is "two billion, forty-three million, nine hundred ninety-three thousand, four hundred two".