1004425400 has 48 divisors (see below), whose sum is σ = 2547593640. Its totient is φ = 365244800.

The previous prime is 1004425379. The next prime is 1004425403. The reversal of 1004425400 is 45244001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004425403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226079 + ... + 230478.

Almost surely, 2^1004425400 is an apocalyptic number.

1004425400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004425400 is an abundant number, since it is smaller than the sum of its proper divisors (1543168240).

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

1004425400 is a wasteful number, since it uses less digits than its factorization.

1004425400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456584 (or 456575 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1004425400 is about 31692.6710770803. The cubic root of 1004425400 is about 1001.4729626491.

Adding to 1004425400 its reverse (45244001), we get a palindrome (1049669401).

The spelling of 1004425400 in words is "one billion, four million, four hundred twenty-five thousand, four hundred".