1041443440 has 80 divisors (see below), whose sum is σ = 2501054208. Its totient is φ = 402997248.

The previous prime is 1041443399. The next prime is 1041443441. The reversal of 1041443440 is 443441401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041443441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570369 + ... + 572191.

Almost surely, 2^1041443440 is an apocalyptic number.

1041443440 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 1041443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250527104).

1041443440 is an abundant number, since it is smaller than the sum of its proper divisors (1459610768).

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

1041443440 is a wasteful number, since it uses less digits than its factorization.

1041443440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1041443440 is about 32271.4028204539. The cubic root of 1041443440 is about 1013.6279162396.

Adding to 1041443440 its reverse (443441401), we get a palindrome (1484884841).

It can be divided in two parts, 104144 and 3440, that added together give a square (107584 = 328²).

The spelling of 1041443440 in words is "one billion, forty-one million, four hundred forty-three thousand, four hundred forty".