1002004480 has 112 divisors (see below), whose sum is σ = 2547884160. Its totient is φ = 376963072.

The previous prime is 1002004457. The next prime is 1002004481. The reversal of 1002004480 is 844002001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002004481) 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, 695601 + ... + 697039.

Almost surely, 2^1002004480 is an apocalyptic number.

1002004480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002004480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273942080).

1002004480 is an abundant number, since it is smaller than the sum of its proper divisors (1545879680).

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

1002004480 is an equidigital number, since it uses as much as digits as its factorization.

1002004480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1002004480 is about 31654.4543469004. The cubic root of 1002004480 is about 1000.6677140587.

Adding to 1002004480 its reverse (844002001), we get a palindrome (1846006481).

The spelling of 1002004480 in words is "one billion, two million, four thousand, four hundred eighty".