439130434788 has 18 divisors (see below), whose sum is σ = 1110024154694. Its totient is φ = 146376811584.

The previous prime is 439130434763. The next prime is 439130434829. The reversal of 439130434788 is 887434031934.

439130434788 is a `hidden beast` number, since 4 + 3 + 9 + 130 + 434 + 78 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 354320181504 + 84810253284 = 595248^2 + 291222^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6099033781 + ... + 6099033852.

Almost surely, 2^439130434788 is an apocalyptic number.

It is an amenable number.

439130434788 is an abundant number, since it is smaller than the sum of its proper divisors (670893719906).

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

439130434788 is a wasteful number, since it uses less digits than its factorization.

439130434788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12198067643 (or 12198067638 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 439130434788 in words is "four hundred thirty-nine billion, one hundred thirty million, four hundred thirty-four thousand, seven hundred eighty-eight".