1439478672 has 40 divisors (see below), whose sum is σ = 3937399776. Its totient is φ = 451600896.

The previous prime is 1439478653. The next prime is 1439478679. The reversal of 1439478672 is 2768749341.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1439478679) 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, 881218 + ... + 882849.

Almost surely, 2^1439478672 is an apocalyptic number.

1439478672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1439478672 is an abundant number, since it is smaller than the sum of its proper divisors (2497921104).

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

1439478672 is a wasteful number, since it uses less digits than its factorization.

1439478672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764095 (or 1764089 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 1439478672 is about 37940.4622006638. The cubic root of 1439478672 is about 1129.1069436445.

The spelling of 1439478672 in words is "one billion, four hundred thirty-nine million, four hundred seventy-eight thousand, six hundred seventy-two".