2011604406 has 16 divisors (see below), whose sum is σ = 4597953024. Its totient is φ = 574744104.

The previous prime is 2011604393. The next prime is 2011604411. The reversal of 2011604406 is 6044061102.

It is a super-2 number, since 2×2011604406² = 8093104572477225672, which contains 22 as substring.

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, 23947630 + ... + 23947713.

It is an arithmetic number, because the mean of its divisors is an integer number (287372064).

Almost surely, 2^2011604406 is an apocalyptic number.

2011604406 is an abundant number, since it is smaller than the sum of its proper divisors (2586348618).

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

2011604406 is a wasteful number, since it uses less digits than its factorization.

2011604406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47895355.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2011604406 is about 44850.9131010730. The cubic root of 2011604406 is about 1262.3531247102.

Adding to 2011604406 its reverse (6044061102), we get a palindrome (8055665508).

The spelling of 2011604406 in words is "two billion, eleven million, six hundred four thousand, four hundred six".