40441384 has 8 divisors (see below), whose sum is σ = 75827610. Its totient is φ = 20220688.

The previous prime is 40441381. The next prime is 40441393. The reversal of 40441384 is 48314404.

It can be written as a sum of positive squares in only one way, i.e., 30008484 + 10432900 = 5478^2 + 3230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×40441384³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40441381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527579 + ... + 2527594.

Almost surely, 2^40441384 is an apocalyptic number.

It is an amenable number.

40441384 is a deficient number, since it is larger than the sum of its proper divisors (35386226).

40441384 is a wasteful number, since it uses less digits than its factorization.

40441384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055179 (or 5055175 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 40441384 is about 6359.3540552481. The cubic root of 40441384 is about 343.2485172922.

Adding to 40441384 its reverse (48314404), we get a palindrome (88755788).

The spelling of 40441384 in words is "forty million, four hundred forty-one thousand, three hundred eighty-four".