447946580 has 12 divisors (see below), whose sum is σ = 940687860. Its totient is φ = 179178624.

The previous prime is 447946579. The next prime is 447946589. The reversal of 447946580 is 85649744.

It can be written as a sum of positive squares in 2 ways, for example, as 157653136 + 290293444 = 12556^2 + 17038^2 .

It is a super-2 number, since 2×447946580² = 401312277067392800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447946589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11198645 + ... + 11198684.

It is an arithmetic number, because the mean of its divisors is an integer number (78390655).

Almost surely, 2^447946580 is an apocalyptic number.

It is an amenable number.

447946580 is an abundant number, since it is smaller than the sum of its proper divisors (492741280).

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

447946580 is a wasteful number, since it uses less digits than its factorization.

447946580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397338 (or 22397336 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 447946580 is about 21164.7485220118. The cubic root of 447946580 is about 765.1420585715.

The spelling of 447946580 in words is "four hundred forty-seven million, nine hundred forty-six thousand, five hundred eighty".