1439670912 has 64 divisors (see below), whose sum is σ = 3905539200. Its totient is φ = 469673984.

The previous prime is 1439670899. The next prime is 1439670913. The reversal of 1439670912 is 2190769341.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1439670913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21837 + ... + 57932.

It is an arithmetic number, because the mean of its divisors is an integer number (61024050).

Almost surely, 2^1439670912 is an apocalyptic number.

1439670912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1439670912 is an abundant number, since it is smaller than the sum of its proper divisors (2465868288).

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

1439670912 is an equidigital number, since it uses as much as digits as its factorization.

1439670912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79833 (or 79821 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1439670912 is about 37942.9955591279. The cubic root of 1439670912 is about 1129.1572048632.

The spelling of 1439670912 in words is "one billion, four hundred thirty-nine million, six hundred seventy thousand, nine hundred twelve".