447318531552 has 96 divisors (see below), whose sum is σ = 1248249985920. Its totient is φ = 139859827200.

The previous prime is 447318531523. The next prime is 447318531587. The reversal of 447318531552 is 255135813744.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1029838 + ... + 1398285.

It is an arithmetic number, because the mean of its divisors is an integer number (13002604020).

Almost surely, 2^447318531552 is an apocalyptic number.

It is an amenable number.

447318531552 is an abundant number, since it is smaller than the sum of its proper divisors (800931454368).

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

447318531552 is a wasteful number, since it uses less digits than its factorization.

447318531552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428256 (or 2428248 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The spelling of 447318531552 in words is "four hundred forty-seven billion, three hundred eighteen million, five hundred thirty-one thousand, five hundred fifty-two".