4032638928 has 30 divisors (see below), whose sum is σ = 11285788514. Its totient is φ = 1344212928.

The previous prime is 4032638923. The next prime is 4032638957. The reversal of 4032638928 is 8298362304.

4032638928 is a `hidden beast` number, since 4 + 0 + 3 + 2 + 638 + 9 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3714658704 + 317980224 = 60948^2 + 17832^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032638923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14002075 + ... + 14002362.

Almost surely, 2^4032638928 is an apocalyptic number.

4032638928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4032638928 is an abundant number, since it is smaller than the sum of its proper divisors (7253149586).

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

4032638928 is a wasteful number, since it uses less digits than its factorization.

4032638928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28004451 (or 28004442 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 4032638928 is about 63503.0623513544. The cubic root of 4032638928 is about 1591.7069505126.

The spelling of 4032638928 in words is "four billion, thirty-two million, six hundred thirty-eight thousand, nine hundred twenty-eight".