4043040 has 48 divisors (see below), whose sum is σ = 12737088. Its totient is φ = 1078016.

The previous prime is 4043023. The next prime is 4043047. The reversal of 4043040 is 403404.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (4043047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3732 + ... + 4691.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

Almost surely, 2^4043040 is an apocalyptic number.

4043040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4043040 is an abundant number, since it is smaller than the sum of its proper divisors (8694048).

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

4043040 is a wasteful number, since it uses less digits than its factorization.

4043040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8441 (or 8433 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4043040 is about 2010.7312102815. The cubic root of 4043040 is about 159.3074231000.

Adding to 4043040 its reverse (403404), we get a palindrome (4446444).

It can be divided in two parts, 40430 and 40, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 4043040 in words is "four million, forty-three thousand, forty".