2040401244 has 48 divisors (see below), whose sum is σ = 5573788416. Its totient is φ = 568752000.

The previous prime is 2040401191. The next prime is 2040401257. The reversal of 2040401244 is 4421040402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2040401244.

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 15 ways as a sum of consecutive naturals, for example, 292782 + ... + 299669.

It is an arithmetic number, because the mean of its divisors is an integer number (116120592).

Almost surely, 2^2040401244 is an apocalyptic number.

It is an amenable number.

2040401244 is an abundant number, since it is smaller than the sum of its proper divisors (3533387172).

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

2040401244 is a wasteful number, since it uses less digits than its factorization.

2040401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592506 (or 592504 counting only the distinct ones).

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

The square root of 2040401244 is about 45170.8007898908. The cubic root of 2040401244 is about 1268.3482865702.

Adding to 2040401244 its reverse (4421040402), we get a palindrome (6461441646).

The spelling of 2040401244 in words is "two billion, forty million, four hundred one thousand, two hundred forty-four".