448136731 has 4 divisors (see below), whose sum is σ = 512156272. Its totient is φ = 384117192.

The previous prime is 448136723. The next prime is 448136737. The reversal of 448136731 is 137631844.

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

It is a cyclic number.

It is not a de Polignac number, because 448136731 - 2³ = 448136723 is a prime.

It is a super-2 number, since 2×448136731² = 401653059342732722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448136737) 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, 32009760 + ... + 32009773.

It is an arithmetic number, because the mean of its divisors is an integer number (128039068).

Almost surely, 2^448136731 is an apocalyptic number.

448136731 is a deficient number, since it is larger than the sum of its proper divisors (64019541).

448136731 is an equidigital number, since it uses as much as digits as its factorization.

448136731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64019540.

The product of its digits is 48384, while the sum is 37.

The square root of 448136731 is about 21169.2402083778. The cubic root of 448136731 is about 765.2503095342.

The spelling of 448136731 in words is "four hundred forty-eight million, one hundred thirty-six thousand, seven hundred thirty-one".