448311902 has 4 divisors (see below), whose sum is σ = 672467856. Its totient is φ = 224155950.

The previous prime is 448311893. The next prime is 448311923. The reversal of 448311902 is 209113844.

It is a happy number.

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

It is a super-2 number, since 2×448311902² = 401967122949715208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112077974 + ... + 112077977.

It is an arithmetic number, because the mean of its divisors is an integer number (168116964).

Almost surely, 2^448311902 is an apocalyptic number.

448311902 is a deficient number, since it is larger than the sum of its proper divisors (224155954).

448311902 is a wasteful number, since it uses less digits than its factorization.

448311902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224155953.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 448311902 is about 21173.3771987371. The cubic root of 448311902 is about 765.3500054457.

The spelling of 448311902 in words is "four hundred forty-eight million, three hundred eleven thousand, nine hundred two".