448410138 has 16 divisors (see below), whose sum is σ = 978349536. Its totient is φ = 135881840.

The previous prime is 448410121. The next prime is 448410181. The reversal of 448410138 is 831014844.

It is a super-2 number, since 2×448410138² = 402143303722358088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 448410099 and 448410108.

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, 3396981 + ... + 3397112.

It is an arithmetic number, because the mean of its divisors is an integer number (61146846).

Almost surely, 2^448410138 is an apocalyptic number.

448410138 is an abundant number, since it is smaller than the sum of its proper divisors (529939398).

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

448410138 is a wasteful number, since it uses less digits than its factorization.

448410138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6794109.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 448410138 is about 21175.6968716498. The cubic root of 448410138 is about 765.4059036064.

The spelling of 448410138 in words is "four hundred forty-eight million, four hundred ten thousand, one hundred thirty-eight".