1439914752 has 144 divisors (see below), whose sum is σ = 4362795360. Its totient is φ = 468172800.

The previous prime is 1439914741. The next prime is 1439914769. The reversal of 1439914752 is 2574199341.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 1439914698 and 1439914707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280852 + ... + 285932.

It is an arithmetic number, because the mean of its divisors is an integer number (30297190).

Almost surely, 2^1439914752 is an apocalyptic number.

1439914752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1439914752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2181397680).

1439914752 is an abundant number, since it is smaller than the sum of its proper divisors (2922880608).

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

1439914752 is an equidigital number, since it uses as much as digits as its factorization.

1439914752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147 (or 5127 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1439914752 is about 37946.2086643712. The cubic root of 1439914752 is about 1129.2209504843.

The spelling of 1439914752 in words is "one billion, four hundred thirty-nine million, nine hundred fourteen thousand, seven hundred fifty-two".