446161648 has 40 divisors (see below), whose sum is σ = 913222800. Its totient is φ = 210576384.

The previous prime is 446161633. The next prime is 446161649. The reversal of 446161648 is 846161644.

It is a super-2 number, since 2×446161648² = 398120432292151808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 446161648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446161649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86568 + ... + 91576.

It is an arithmetic number, because the mean of its divisors is an integer number (22830570).

Almost surely, 2^446161648 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 446161648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456611400).

446161648 is an abundant number, since it is smaller than the sum of its proper divisors (467061152).

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

446161648 is a wasteful number, since it uses less digits than its factorization.

446161648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329 (or 5323 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 446161648 is about 21122.5388625515. The cubic root of 446161648 is about 764.1244189428.

It can be divided in two parts, 44616 and 1648, that added together give a palindrome (46264).

The spelling of 446161648 in words is "four hundred forty-six million, one hundred sixty-one thousand, six hundred forty-eight".