2011402004 has 12 divisors (see below), whose sum is σ = 3522693300. Its totient is φ = 1004918208.

The previous prime is 2011401949. The next prime is 2011402007. The reversal of 2011402004 is 4002041102.

It can be written as a sum of positive squares in 2 ways, for example, as 616528900 + 1394873104 = 24830^2 + 37348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2011402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011402007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189899 + ... + 200210.

It is an arithmetic number, because the mean of its divisors is an integer number (293557775).

Almost surely, 2^2011402004 is an apocalyptic number.

It is an amenable number.

2011402004 is a deficient number, since it is larger than the sum of its proper divisors (1511291296).

2011402004 is a wasteful number, since it uses less digits than its factorization.

2011402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391402 (or 391400 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2011402004 is about 44848.6566576971. The cubic root of 2011402004 is about 1262.3107851451.

Adding to 2011402004 its reverse (4002041102), we get a palindrome (6013443106).

The spelling of 2011402004 in words is "two billion, eleven million, four hundred two thousand, four".