451378445048 has 16 divisors (see below), whose sum is σ = 858254790960. Its totient is φ = 222510500800.

The previous prime is 451378445033. The next prime is 451378445053. The reversal of 451378445048 is 840544873154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397339613 + ... + 397340748.

It is an arithmetic number, because the mean of its divisors is an integer number (53640924435).

Almost surely, 2^451378445048 is an apocalyptic number.

It is an amenable number.

451378445048 is a deficient number, since it is larger than the sum of its proper divisors (406876345912).

451378445048 is a wasteful number, since it uses less digits than its factorization.

451378445048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794680438 (or 794680434 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 53.

The spelling of 451378445048 in words is "four hundred fifty-one billion, three hundred seventy-eight million, four hundred forty-five thousand, forty-eight".