2040404124 has 144 divisors (see below), whose sum is σ = 5592077568. Its totient is φ = 576576000.

The previous prime is 2040404117. The next prime is 2040404203. The reversal of 2040404124 is 4214040402.

It is a self number, because there is not a number n which added to its sum of digits gives 2040404124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3233289 + ... + 3233919.

It is an arithmetic number, because the mean of its divisors is an integer number (38833872).

Almost surely, 2^2040404124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040404124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2796038784).

2040404124 is an abundant number, since it is smaller than the sum of its proper divisors (3551673444).

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

2040404124 is a wasteful number, since it uses less digits than its factorization.

2040404124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2040404124 is about 45170.8326688805. The cubic root of 2040404124 is about 1268.3488833223.

Adding to 2040404124 its reverse (4214040402), we get a palindrome (6254444526).

It can be divided in two parts, 20404041 and 24, that multiplied together give a palindrome (489696984).

The spelling of 2040404124 in words is "two billion, forty million, four hundred four thousand, one hundred twenty-four".