447140144 has 40 divisors (see below), whose sum is σ = 967086912. Its totient is φ = 198515520.

The previous prime is 447140131. The next prime is 447140147. The reversal of 447140144 is 441041744.

It is not an unprimeable number, because it can be changed into a prime (447140147) 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 7 ways as a sum of consecutive naturals, for example, 21974 + ... + 37109.

Almost surely, 2^447140144 is an apocalyptic number.

447140144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

447140144 is an abundant number, since it is smaller than the sum of its proper divisors (519946768).

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

447140144 is a wasteful number, since it uses less digits than its factorization.

447140144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59145 (or 59139 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 447140144 is about 21145.6885440035. The cubic root of 447140144 is about 764.6826222734.

Adding to 447140144 its reverse (441041744), we get a palindrome (888181888).

The spelling of 447140144 in words is "four hundred forty-seven million, one hundred forty thousand, one hundred forty-four".