440468448 has 72 divisors (see below), whose sum is σ = 1345016232. Its totient is φ = 125846784.

The previous prime is 440468383. The next prime is 440468459. The reversal of 440468448 is 844864044.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42115 + ... + 51522.

It is an arithmetic number, because the mean of its divisors is an integer number (18680781).

Almost surely, 2^440468448 is an apocalyptic number.

440468448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

440468448 is an abundant number, since it is smaller than the sum of its proper divisors (904547784).

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

440468448 is a wasteful number, since it uses less digits than its factorization.

440468448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93664 (or 93649 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 42.

The square root of 440468448 is about 20987.3401840252. The cubic root of 440468448 is about 760.8603184592.

The spelling of 440468448 in words is "four hundred forty million, four hundred sixty-eight thousand, four hundred forty-eight".