448623920 has 40 divisors (see below), whose sum is σ = 1045677120. Its totient is φ = 178997760.

The previous prime is 448623887. The next prime is 448623949. The reversal of 448623920 is 29326844.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25865 + ... + 39575.

It is an arithmetic number, because the mean of its divisors is an integer number (26141928).

Almost surely, 2^448623920 is an apocalyptic number.

448623920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

448623920 is an abundant number, since it is smaller than the sum of its proper divisors (597053200).

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

448623920 is a wasteful number, since it uses less digits than its factorization.

448623920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14133 (or 14127 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 448623920 is about 21180.7440851354. The cubic root of 448623920 is about 765.5275214394.

The spelling of 448623920 in words is "four hundred forty-eight million, six hundred twenty-three thousand, nine hundred twenty".