1005230400 has 336 divisors, whose sum is σ = 3555772416. Its totient is φ = 247726080.

The previous prime is 1005230399. The next prime is 1005230431. The reversal of 1005230400 is 40325001.

1005230400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1005230400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7915137 + ... + 7915263.

It is an arithmetic number, because the mean of its divisors is an integer number (10582656).

Almost surely, 2^1005230400 is an apocalyptic number.

1005230400 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 1005230400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777886208).

1005230400 is an abundant number, since it is smaller than the sum of its proper divisors (2550542016).

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

1005230400 is a wasteful number, since it uses less digits than its factorization.

1005230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1005230400 is about 31705.3686305648. The cubic root of 1005230400 is about 1001.7404357926.

Adding to 1005230400 its reverse (40325001), we get a palindrome (1045555401).

The spelling of 1005230400 in words is "one billion, five million, two hundred thirty thousand, four hundred".