2011400404 has 24 divisors (see below), whose sum is σ = 3913000448. Its totient is φ = 898391520.

The previous prime is 2011400383. The next prime is 2011400411. The reversal of 2011400404 is 4040041102.

It is a super-2 number, since 2×2011400404² = 8091463170422726432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622272 + ... + 625495.

Almost surely, 2^2011400404 is an apocalyptic number.

It is an amenable number.

2011400404 is a deficient number, since it is larger than the sum of its proper divisors (1901600044).

2011400404 is a wasteful number, since it uses less digits than its factorization.

2011400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247815 (or 1247813 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2011400404 is about 44848.6388199241. The cubic root of 2011400404 is about 1262.3104504370.

Adding to 2011400404 its reverse (4040041102), we get a palindrome (6051441506).

The spelling of 2011400404 in words is "two billion, eleven million, four hundred thousand, four hundred four".