2054420404 has 6 divisors (see below), whose sum is σ = 3595235714. Its totient is φ = 1027210200.

The previous prime is 2054420393. The next prime is 2054420413. The reversal of 2054420404 is 4040244502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1579267600 + 475152804 = 39740^2 + 21798^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256802547 + ... + 256802554.

Almost surely, 2^2054420404 is an apocalyptic number.

It is an amenable number.

2054420404 is a deficient number, since it is larger than the sum of its proper divisors (1540815310).

2054420404 is a wasteful number, since it uses less digits than its factorization.

2054420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513605105 (or 513605103 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2054420404 is about 45325.7145999928. The cubic root of 2054420404 is about 1271.2465088031.

Adding to 2054420404 its reverse (4040244502), we get a palindrome (6094664906).

The spelling of 2054420404 in words is "two billion, fifty-four million, four hundred twenty thousand, four hundred four".