447261338880 has 108 divisors (see below), whose sum is σ = 1547477682660. Its totient is φ = 119269687296.

The previous prime is 447261338861. The next prime is 447261338893. The reversal of 447261338880 is 88833162744.

447261338880 is a `hidden beast` number, since 4 + 47 + 261 + 338 + 8 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 109598075136 + 337663263744 = 331056^2 + 581088^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19400865 + ... + 19423904.

Almost surely, 2^447261338880 is an apocalyptic number.

447261338880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447261338880 is an abundant number, since it is smaller than the sum of its proper divisors (1100216343780).

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

447261338880 is a wasteful number, since it uses less digits than its factorization.

447261338880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38824796 (or 38824779 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 447261338880 in words is "four hundred forty-seven billion, two hundred sixty-one million, three hundred thirty-eight thousand, eight hundred eighty".