439540672 has 28 divisors (see below), whose sum is σ = 910138896. Its totient is φ = 210214400.

The previous prime is 439540669. The next prime is 439540681. The reversal of 439540672 is 276045934.

It is a happy number.

It is a super-3 number, since 3×439540672³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

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, 147829 + ... + 150772.

Almost surely, 2^439540672 is an apocalyptic number.

It is an amenable number.

439540672 is an abundant number, since it is smaller than the sum of its proper divisors (470598224).

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

439540672 is a wasteful number, since it uses less digits than its factorization.

439540672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298636 (or 298626 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 439540672 is about 20965.2253028676. The cubic root of 439540672 is about 760.3257329484.

The spelling of 439540672 in words is "four hundred thirty-nine million, five hundred forty thousand, six hundred seventy-two".