41043440 has 80 divisors (see below), whose sum is σ = 102368448. Its totient is φ = 15249408.

The previous prime is 41043437. The next prime is 41043449. The reversal of 41043440 is 4434014.

41043440 = T₃₇₆ + T₃₇₇ + ... + T₆₆₈.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41043449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139934 + ... + 140226.

Almost surely, 2^41043440 is an apocalyptic number.

41043440 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 41043440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51184224).

41043440 is an abundant number, since it is smaller than the sum of its proper divisors (61325008).

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

41043440 is a wasteful number, since it uses less digits than its factorization.

41043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 41043440 is about 6406.5154335255. The cubic root of 41043440 is about 344.9434619947.

Adding to 41043440 its reverse (4434014), we get a palindrome (45477454).

The spelling of 41043440 in words is "forty-one million, forty-three thousand, four hundred forty".