2043661424 has 60 divisors (see below), whose sum is σ = 4611785184. Its totient is φ = 874766592.

The previous prime is 2043661421. The next prime is 2043661427. The reversal of 2043661424 is 4241663402.

It is an interprime number because it is at equal distance from previous prime (2043661421) and next prime (2043661427).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043661421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1164932 + ... + 1166684.

Almost surely, 2^2043661424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043661424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2305892592).

2043661424 is an abundant number, since it is smaller than the sum of its proper divisors (2568123760).

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

2043661424 is a wasteful number, since it uses less digits than its factorization.

2043661424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 3249 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2043661424 is about 45206.8736366495. The cubic root of 2043661424 is about 1269.0234549697.

The spelling of 2043661424 in words is "two billion, forty-three million, six hundred sixty-one thousand, four hundred twenty-four".