432120432728 has 32 divisors (see below), whose sum is σ = 858109962960. Its totient is φ = 203297740800.

The previous prime is 432120432713. The next prime is 432120432743. The reversal of 432120432728 is 827234021234.

It is an interprime number because it is at equal distance from previous prime (432120432713) and next prime (432120432743).

It is a junction number, because it is equal to n+sod(n) for n = 432120432691 and 432120432700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111200 + ... + 936272.

Almost surely, 2^432120432728 is an apocalyptic number.

It is an amenable number.

432120432728 is a deficient number, since it is larger than the sum of its proper divisors (425989530232).

432120432728 is a wasteful number, since it uses less digits than its factorization.

432120432728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828947 (or 828943 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 432120432728 in words is "four hundred thirty-two billion, one hundred twenty million, four hundred thirty-two thousand, seven hundred twenty-eight".