2040520404 has 96 divisors (see below), whose sum is σ = 5506050816. Its totient is φ = 582543360.

The previous prime is 2040520397. The next prime is 2040520411. The reversal of 2040520404 is 4040250402.

It is an interprime number because it is at equal distance from previous prime (2040520397) and next prime (2040520411).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182874 + ... + 193710.

It is an arithmetic number, because the mean of its divisors is an integer number (57354696).

Almost surely, 2^2040520404 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 2040520404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2753025408).

2040520404 is an abundant number, since it is smaller than the sum of its proper divisors (3465530412).

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

2040520404 is a wasteful number, since it uses less digits than its factorization.

2040520404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945 (or 10943 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2040520404 is about 45172.1197642971. The cubic root of 2040520404 is about 1268.3729767204.

Adding to 2040520404 its reverse (4040250402), we get a palindrome (6080770806).

The spelling of 2040520404 in words is "two billion, forty million, five hundred twenty thousand, four hundred four".