1040840448 has 36 divisors (see below), whose sum is σ = 2770155528. Its totient is φ = 346946560.

The previous prime is 1040840399. The next prime is 1040840477. The reversal of 1040840448 is 8440480401.

It is a happy number.

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, 676863 + ... + 678398.

Almost surely, 2^1040840448 is an apocalyptic number.

It is an amenable number.

1040840448 is an abundant number, since it is smaller than the sum of its proper divisors (1729315080).

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

1040840448 is an equidigital number, since it uses as much as digits as its factorization.

1040840448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355280 (or 1355266 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 1040840448 is about 32262.0589547536. The cubic root of 1040840448 is about 1013.4322495007.

The spelling of 1040840448 in words is "one billion, forty million, eight hundred forty thousand, four hundred forty-eight".