1040809224 has 256 divisors, whose sum is σ = 3437683200. Its totient is φ = 255688704.

The previous prime is 1040809201. The next prime is 1040809229. The reversal of 1040809224 is 4229080401.

It is a junction number, because it is equal to n+sod(n) for n = 1040809191 and 1040809200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040809229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10729944 + ... + 10730040.

It is an arithmetic number, because the mean of its divisors is an integer number (13428450).

Almost surely, 2^1040809224 is an apocalyptic number.

1040809224 is a gapful number since it is divisible by the number (14) 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 1040809224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718841600).

1040809224 is an abundant number, since it is smaller than the sum of its proper divisors (2396873976).

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

1040809224 is a wasteful number, since it uses less digits than its factorization.

1040809224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1040809224 is about 32261.5750390461. The cubic root of 1040809224 is about 1013.4221154707.

Adding to 1040809224 its reverse (4229080401), we get a palindrome (5269889625).

The spelling of 1040809224 in words is "one billion, forty million, eight hundred nine thousand, two hundred twenty-four".