2040420404 has 24 divisors (see below), whose sum is σ = 3896540256. Its totient is φ = 927180000.

The previous prime is 2040420401. The next prime is 2040420407. The reversal of 2040420404 is 4040240402.

It is an interprime number because it is at equal distance from previous prime (2040420401) and next prime (2040420407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040420401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219899 + ... + 228989.

It is an arithmetic number, because the mean of its divisors is an integer number (162355844).

Almost surely, 2^2040420404 is an apocalyptic number.

It is an amenable number.

2040420404 is a deficient number, since it is larger than the sum of its proper divisors (1856119852).

2040420404 is a wasteful number, since it uses less digits than its factorization.

2040420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207 (or 14205 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2040420404 is about 45171.0128733018. The cubic root of 2040420404 is about 1268.3522566189.

Adding to 2040420404 its reverse (4040240402), we get a palindrome (6080660806).

The spelling of 2040420404 in words is "two billion, forty million, four hundred twenty thousand, four hundred four".