447161442 has 32 divisors (see below), whose sum is σ = 1100706432. Its totient is φ = 117932544.

The previous prime is 447161401. The next prime is 447161443. The reversal of 447161442 is 244161744.

It is not an unprimeable number, because it can be changed into a prime (447161443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408943 + ... + 410034.

It is an arithmetic number, because the mean of its divisors is an integer number (34397076).

Almost surely, 2^447161442 is an apocalyptic number.

447161442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

447161442 is an abundant number, since it is smaller than the sum of its proper divisors (653544990).

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

447161442 is a wasteful number, since it uses less digits than its factorization.

447161442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819002.

The product of its digits is 21504, while the sum is 33.

The square root of 447161442 is about 21146.1921394846. The cubic root of 447161442 is about 764.6947630993.

The spelling of 447161442 in words is "four hundred forty-seven million, one hundred sixty-one thousand, four hundred forty-two".