1439242672 has 20 divisors (see below), whose sum is σ = 3186894736. Its totient is φ = 616818240.

The previous prime is 1439242643. The next prime is 1439242681. The reversal of 1439242672 is 2762429341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6425079 + ... + 6425302.

Almost surely, 2^1439242672 is an apocalyptic number.

It is an amenable number.

1439242672 is an abundant number, since it is smaller than the sum of its proper divisors (1747652064).

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

1439242672 is a wasteful number, since it uses less digits than its factorization.

1439242672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12850396 (or 12850390 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 1439242672 is about 37937.3519371081. The cubic root of 1439242672 is about 1129.0452352386.

The spelling of 1439242672 in words is "one billion, four hundred thirty-nine million, two hundred forty-two thousand, six hundred seventy-two".