1004400424 has 16 divisors (see below), whose sum is σ = 1915171200. Its totient is φ = 493688112.

The previous prime is 1004400421. The next prime is 1004400433. The reversal of 1004400424 is 4240044001.

It is not an unprimeable number, because it can be changed into a prime (1004400421) 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, 1063512 + ... + 1064455.

It is an arithmetic number, because the mean of its divisors is an integer number (119698200).

Almost surely, 2^1004400424 is an apocalyptic number.

It is an amenable number.

1004400424 is a deficient number, since it is larger than the sum of its proper divisors (910770776).

1004400424 is a wasteful number, since it uses less digits than its factorization.

1004400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128032 (or 2128028 counting only the distinct ones).

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

The square root of 1004400424 is about 31692.2770403138. The cubic root of 1004400424 is about 1001.4646617187.

Adding to 1004400424 its reverse (4240044001), we get a palindrome (5244444425).

The spelling of 1004400424 in words is "one billion, four million, four hundred thousand, four hundred twenty-four".