448408403766 has 32 divisors (see below), whose sum is σ = 1006329103200. Its totient is φ = 147989570400.

The previous prime is 448408403749. The next prime is 448408403843. The reversal of 448408403766 is 667304804844.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41102761 + ... + 41113668.

It is an arithmetic number, because the mean of its divisors is an integer number (31447784475).

Almost surely, 2^448408403766 is an apocalyptic number.

448408403766 is an abundant number, since it is smaller than the sum of its proper divisors (557920699434).

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

448408403766 is a wasteful number, since it uses less digits than its factorization.

448408403766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82216541 (or 82216535 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 54.

The spelling of 448408403766 in words is "four hundred forty-eight billion, four hundred eight million, four hundred three thousand, seven hundred sixty-six".