448651188 has 36 divisors (see below), whose sum is σ = 1147761888. Its totient is φ = 147747600.

The previous prime is 448651187. The next prime is 448651213. The reversal of 448651188 is 881156844.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×448651188² = 402575776987622688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448651187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72088 + ... + 78063.

Almost surely, 2^448651188 is an apocalyptic number.

It is an amenable number.

448651188 is an abundant number, since it is smaller than the sum of its proper divisors (699110700).

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

448651188 is a wasteful number, since it uses less digits than its factorization.

448651188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150244 (or 150239 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 448651188 is about 21181.3877732315. The cubic root of 448651188 is about 765.5430310758.

The spelling of 448651188 in words is "four hundred forty-eight million, six hundred fifty-one thousand, one hundred eighty-eight".