4040448 has 36 divisors (see below), whose sum is σ = 10755528. Its totient is φ = 1346560.

The previous prime is 4040431. The next prime is 4040459. The reversal of 4040448 is 8440404.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1863 + ... + 3398.

Almost surely, 2^4040448 is an apocalyptic number.

4040448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4040448 is an abundant number, since it is smaller than the sum of its proper divisors (6715080).

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

4040448 is an equidigital number, since it uses as much as digits as its factorization.

4040448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280 (or 5266 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4040448 is about 2010.0865653001. The cubic root of 4040448 is about 159.2733717331.

The spelling of 4040448 in words is "four million, forty thousand, four hundred forty-eight".