10404434420 has 12 divisors (see below), whose sum is σ = 21849312324. Its totient is φ = 4161773760.

The previous prime is 10404434419. The next prime is 10404434423. The reversal of 10404434420 is 2443440401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2274526864 + 8129907556 = 47692^2 + 90166^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10404434420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404434423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260110841 + ... + 260110880.

It is an arithmetic number, because the mean of its divisors is an integer number (1820776027).

Almost surely, 2^10404434420 is an apocalyptic number.

10404434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10404434420 is an abundant number, since it is smaller than the sum of its proper divisors (11444877904).

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

10404434420 is a wasteful number, since it uses less digits than its factorization.

10404434420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520221730 (or 520221728 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 10404434420 its reverse (2443440401), we get a palindrome (12847874821).

The spelling of 10404434420 in words is "ten billion, four hundred four million, four hundred thirty-four thousand, four hundred twenty".