2051110404 has 72 divisors (see below), whose sum is σ = 6185904480. Its totient is φ = 586030032.

The previous prime is 2051110387. The next prime is 2051110427. The reversal of 2051110404 is 4040111502.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 188502 + ... + 199085.

It is an arithmetic number, because the mean of its divisors is an integer number (85915340).

Almost surely, 2^2051110404 is an apocalyptic number.

It is an amenable number.

2051110404 is an abundant number, since it is smaller than the sum of its proper divisors (4134794076).

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

2051110404 is a wasteful number, since it uses less digits than its factorization.

2051110404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387614 (or 387599 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2051110404 is about 45289.1863914555. The cubic root of 2051110404 is about 1270.5634146341.

Adding to 2051110404 its reverse (4040111502), we get a palindrome (6091221906).

The spelling of 2051110404 in words is "two billion, fifty-one million, one hundred ten thousand, four hundred four".