1040441520 has 160 divisors (see below), whose sum is σ = 3437280000. Its totient is φ = 259587072.

The previous prime is 1040441489. The next prime is 1040441527. The reversal of 1040441520 is 251440401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1040441527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377106 + ... + 379854.

It is an arithmetic number, because the mean of its divisors is an integer number (21483000).

Almost surely, 2^1040441520 is an apocalyptic number.

1040441520 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 1040441520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718640000).

1040441520 is an abundant number, since it is smaller than the sum of its proper divisors (2396838480).

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

1040441520 is a wasteful number, since it uses less digits than its factorization.

1040441520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2861 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1040441520 is about 32255.8757438083. The cubic root of 1040441520 is about 1013.3027585804.

Adding to 1040441520 its reverse (251440401), we get a palindrome (1291881921).

The spelling of 1040441520 in words is "one billion, forty million, four hundred forty-one thousand, five hundred twenty".