40441424 has 40 divisors (see below), whose sum is σ = 83119680. Its totient is φ = 19008000.

The previous prime is 40441409. The next prime is 40441459. The reversal of 40441424 is 42414404.

It is a self number, because there is not a number n which added to its sum of digits gives 40441424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45464 + ... + 46344.

It is an arithmetic number, because the mean of its divisors is an integer number (2077992).

Almost surely, 2^40441424 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 40441424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41559840).

40441424 is an abundant number, since it is smaller than the sum of its proper divisors (42678256).

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

40441424 is a wasteful number, since it uses less digits than its factorization.

40441424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 40441424 is about 6359.3572002208. The cubic root of 40441424 is about 343.2486304596.

Adding to 40441424 its reverse (42414404), we get a palindrome (82855828).

The spelling of 40441424 in words is "forty million, four hundred forty-one thousand, four hundred twenty-four".