40060404 has 18 divisors (see below), whose sum is σ = 101263890. Its totient is φ = 13353456.

The previous prime is 40060393. The next prime is 40060409. The reversal of 40060404 is 40406004.

40060404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29484900 + 10575504 = 5430^2 + 3252^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40060409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556359 + ... + 556430.

Almost surely, 2^40060404 is an apocalyptic number.

It is an amenable number.

40060404 is an abundant number, since it is smaller than the sum of its proper divisors (61203486).

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

40060404 is a wasteful number, since it uses less digits than its factorization.

40060404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112799 (or 1112794 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40060404 is about 6329.3288743752. The cubic root of 40060404 is about 342.1672517324.

Adding to 40060404 its reverse (40406004), we get a palindrome (80466408).

The spelling of 40060404 in words is "forty million, sixty thousand, four hundred four".