448470031 has 4 divisors (see below), whose sum is σ = 467968752. Its totient is φ = 428971312.

The previous prime is 448469969. The next prime is 448470037. The reversal of 448470031 is 130074844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448470031 is a prime.

It is a super-2 number, since 2×448470031² = 402250737410281922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448469975 and 448470002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448470037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9749326 + ... + 9749371.

It is an arithmetic number, because the mean of its divisors is an integer number (116992188).

Almost surely, 2^448470031 is an apocalyptic number.

448470031 is a deficient number, since it is larger than the sum of its proper divisors (19498721).

448470031 is a wasteful number, since it uses less digits than its factorization.

448470031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19498720.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 448470031 is about 21177.1110163780. Note that the first 3 decimals coincide. The cubic root of 448470031 is about 765.4399798616.

The spelling of 448470031 in words is "four hundred forty-eight million, four hundred seventy thousand, thirty-one".