40441404 has 12 divisors (see below), whose sum is σ = 94363304. Its totient is φ = 13480464.

The previous prime is 40441393. The next prime is 40441409. The reversal of 40441404 is 40414404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685047 + ... + 1685070.

Almost surely, 2^40441404 is an apocalyptic number.

It is an amenable number.

40441404 is an abundant number, since it is smaller than the sum of its proper divisors (53921900).

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

40441404 is a wasteful number, since it uses less digits than its factorization.

40441404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370124 (or 3370122 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 40441404 is about 6359.3556277346. The cubic root of 40441404 is about 343.2485738759.

Adding to 40441404 its reverse (40414404), we get a palindrome (80855808).

Subtracting from 40441404 its reverse (40414404), we obtain a cube (27000 = 30³).

The spelling of 40441404 in words is "forty million, four hundred forty-one thousand, four hundred four".