447143490 has 40 divisors (see below), whose sum is σ = 1202321340. Its totient is φ = 119238048.

The previous prime is 447143467. The next prime is 447143513. The reversal of 447143490 is 94341744.

It is an interprime number because it is at equal distance from previous prime (447143467) and next prime (447143513).

It can be written as a sum of positive squares in 2 ways, for example, as 446181129 + 962361 = 21123^2 + 981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 275205 + ... + 276824.

Almost surely, 2^447143490 is an apocalyptic number.

447143490 is an abundant number, since it is smaller than the sum of its proper divisors (755177850).

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

447143490 is a wasteful number, since it uses less digits than its factorization.

447143490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552048 (or 552039 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 447143490 is about 21145.7676616386. The cubic root of 447143490 is about 764.6845296706.

It can be divided in two parts, 4471 and 43490, that added together give a square (47961 = 219²).

The spelling of 447143490 in words is "four hundred forty-seven million, one hundred forty-three thousand, four hundred ninety".