1204040404 has 24 divisors (see below), whose sum is σ = 2411555328. Its totient is φ = 515272800.

The previous prime is 1204040401. The next prime is 1204040423. The reversal of 1204040404 is 4040404021.

1204040404 is a modest number, since divided by 40404 gives 1204 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204040401) 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, 11044 + ... + 50299.

It is an arithmetic number, because the mean of its divisors is an integer number (100481472).

Almost surely, 2^1204040404 is an apocalyptic number.

1204040404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1204040404 is an abundant number, since it is smaller than the sum of its proper divisors (1207514924).

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

1204040404 is a wasteful number, since it uses less digits than its factorization.

1204040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62055 (or 62053 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1204040404 is about 34699.2853528715. The cubic root of 1204040404 is about 1063.8498914342.

Adding to 1204040404 its reverse (4040404021), we get a palindrome (5244444425).

The spelling of 1204040404 in words is "one billion, two hundred four million, forty thousand, four hundred four".