4043941440 has 448 divisors, whose sum is σ = 16144939008. Its totient is φ = 833126400.

The previous prime is 4043941411. The next prime is 4043941463. The reversal of 4043941440 is 441493404.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16779720 + ... + 16779960.

Almost surely, 2^4043941440 is an apocalyptic number.

4043941440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4043941440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072469504).

4043941440 is an abundant number, since it is smaller than the sum of its proper divisors (12100997568).

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

4043941440 is a wasteful number, since it uses less digits than its factorization.

4043941440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 4043941440 is about 63591.9919486723. The cubic root of 4043941440 is about 1593.1926199775.

The spelling of 4043941440 in words is "four billion, forty-three million, nine hundred forty-one thousand, four hundred forty".