10439449468 has 18 divisors (see below), whose sum is σ = 20879980296. Its totient is φ = 4473818064.

The previous prime is 10439449453. The next prime is 10439449469. The reversal of 10439449468 is 86494493401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10439449469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530998 + ... + 550306.

Almost surely, 2^10439449468 is an apocalyptic number.

It is an amenable number.

10439449468 is an abundant number, since it is smaller than the sum of its proper divisors (10440530828).

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

10439449468 is an frugal number, since it uses more digits than its factorization.

10439449468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38629 (or 19318 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 10439449468 in words is "ten billion, four hundred thirty-nine million, four hundred forty-nine thousand, four hundred sixty-eight".