440845048 has 128 divisors (see below), whose sum is σ = 1039933440. Its totient is φ = 171072000.

The previous prime is 440845019. The next prime is 440845051. The reversal of 440845048 is 840548044.

It is a super-2 number, since 2×440845048² = 388688712692244608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440844998 and 440845016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2435518 + ... + 2435698.

It is an arithmetic number, because the mean of its divisors is an integer number (8124480).

Almost surely, 2^440845048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440845048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519966720).

440845048 is an abundant number, since it is smaller than the sum of its proper divisors (599088392).

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

440845048 is a wasteful number, since it uses less digits than its factorization.

440845048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 37.

The square root of 440845048 is about 20996.3103425340. The cubic root of 440845048 is about 761.0771015774.

The spelling of 440845048 in words is "four hundred forty million, eight hundred forty-five thousand, forty-eight".