4003400404 has 24 divisors (see below), whose sum is σ = 7173169920. Its totient is φ = 1954139616.

The previous prime is 4003400341. The next prime is 4003400417. The reversal of 4003400404 is 4040043004.

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, 47817 + ... + 101455.

It is an arithmetic number, because the mean of its divisors is an integer number (298882080).

Almost surely, 2^4003400404 is an apocalyptic number.

It is an amenable number.

4003400404 is a deficient number, since it is larger than the sum of its proper divisors (3169769516).

4003400404 is a wasteful number, since it uses less digits than its factorization.

4003400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54087 (or 54085 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4003400404 is about 63272.4300465851. The cubic root of 4003400404 is about 1587.8507416389.

Adding to 4003400404 its reverse (4040043004), we get a palindrome (8043443408).

The spelling of 4003400404 in words is "four billion, three million, four hundred thousand, four hundred four".