801432128 has 28 divisors (see below), whose sum is σ = 1817534592. Its totient is φ = 343470720.

The previous prime is 801432113. The next prime is 801432131. The reversal of 801432128 is 821234108.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 801432128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894008 + ... + 894903.

Almost surely, 2^801432128 is an apocalyptic number.

It is an amenable number.

801432128 is an abundant number, since it is smaller than the sum of its proper divisors (1016102464).

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

801432128 is a wasteful number, since it uses less digits than its factorization.

801432128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788930 (or 1788920 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 801432128 is about 28309.5766128708. The cubic root of 801432128 is about 928.8713822781.

The spelling of 801432128 in words is "eight hundred one million, four hundred thirty-two thousand, one hundred twenty-eight".