447040513 has 16 divisors (see below), whose sum is σ = 468844992. Its totient is φ = 425880000.

The previous prime is 447040511. The next prime is 447040519. The reversal of 447040513 is 315040744.

It is a cyclic number.

It is not a de Polignac number, because 447040513 - 2¹ = 447040511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447040511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342963 + ... + 344263.

It is an arithmetic number, because the mean of its divisors is an integer number (29302812).

Almost surely, 2^447040513 is an apocalyptic number.

447040513 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

447040513 is a deficient number, since it is larger than the sum of its proper divisors (21804479).

447040513 is a wasteful number, since it uses less digits than its factorization.

447040513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 447040513 is about 21143.3325897314. The cubic root of 447040513 is about 764.6258229644.

The spelling of 447040513 in words is "four hundred forty-seven million, forty thousand, five hundred thirteen".