448510118477 has 4 divisors (see below), whose sum is σ = 448544613696. Its totient is φ = 448475623260.

The previous prime is 448510118429. The next prime is 448510118489. The reversal of 448510118477 is 774811015844.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448510118477 - 2¹⁰ = 448510117453 is a prime.

It is a super-2 number, since 2×448510118477² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448510118417) 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, 17228099 + ... + 17254112.

It is an arithmetic number, because the mean of its divisors is an integer number (112136153424).

Almost surely, 2^448510118477 is an apocalyptic number.

It is an amenable number.

448510118477 is a deficient number, since it is larger than the sum of its proper divisors (34495219).

448510118477 is a wasteful number, since it uses less digits than its factorization.

448510118477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34495218.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The spelling of 448510118477 in words is "four hundred forty-eight billion, five hundred ten million, one hundred eighteen thousand, four hundred seventy-seven".