40416404 has 24 divisors (see below), whose sum is σ = 82161408. Its totient is φ = 17036640.

The previous prime is 40416403. The next prime is 40416419. The reversal of 40416404 is 40461404.

It is a self number, because there is not a number n which added to its sum of digits gives 40416404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40416403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10124 + ... + 13539.

It is an arithmetic number, because the mean of its divisors is an integer number (3423392).

Almost surely, 2^40416404 is an apocalyptic number.

It is an amenable number.

40416404 is an abundant number, since it is smaller than the sum of its proper divisors (41745004).

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

40416404 is a wasteful number, since it uses less digits than its factorization.

40416404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23735 (or 23733 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 40416404 is about 6357.3897159133. The cubic root of 40416404 is about 343.1778296852.

Adding to 40416404 its reverse (40461404), we get a palindrome (80877808).

The spelling of 40416404 in words is "forty million, four hundred sixteen thousand, four hundred four".