8430004400 has 30 divisors (see below), whose sum is σ = 20253086532. Its totient is φ = 3372001600.

The previous prime is 8430004399. The next prime is 8430004501. The reversal of 8430004400 is 44000348.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10537106 + ... + 10537905.

Almost surely, 2^8430004400 is an apocalyptic number.

8430004400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8430004400 is an abundant number, since it is smaller than the sum of its proper divisors (11823082132).

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

8430004400 is a wasteful number, since it uses less digits than its factorization.

8430004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21075029 (or 21075018 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 8430004400 is about 91815.0554103193. The cubic root of 8430004400 is about 2035.2101838054.

Adding to 8430004400 its reverse (44000348), we get a palindrome (8474004748).

The spelling of 8430004400 in words is "eight billion, four hundred thirty million, four thousand, four hundred".