431947014828 has 384 divisors, whose sum is σ = 1285543526400. Its totient is φ = 110135780352.

The previous prime is 431947014803. The next prime is 431947014833. The reversal of 431947014828 is 828410749134.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 247249851 + ... + 247251597.

It is an arithmetic number, because the mean of its divisors is an integer number (3347769600).

Almost surely, 2^431947014828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431947014828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642771763200).

431947014828 is an abundant number, since it is smaller than the sum of its proper divisors (853596511572).

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

431947014828 is a wasteful number, since it uses less digits than its factorization.

431947014828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 431947014828 in words is "four hundred thirty-one billion, nine hundred forty-seven million, fourteen thousand, eight hundred twenty-eight".