1040441440 has 24 divisors (see below), whose sum is σ = 2458043280. Its totient is φ = 416176512.

The previous prime is 1040441401. The next prime is 1040441489. The reversal of 1040441440 is 441440401.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251220 + ... + 3251539.

It is an arithmetic number, because the mean of its divisors is an integer number (102418470).

Almost surely, 2^1040441440 is an apocalyptic number.

1040441440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040441440 is an abundant number, since it is smaller than the sum of its proper divisors (1417601840).

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

1040441440 is an equidigital number, since it uses as much as digits as its factorization.

1040441440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502774 (or 6502766 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1040441440 is about 32255.8745037241. The cubic root of 1040441440 is about 1013.3027326093.

Adding to 1040441440 its reverse (441440401), we get a palindrome (1481881841).

The spelling of 1040441440 in words is "one billion, forty million, four hundred forty-one thousand, four hundred forty".