40328128 has 14 divisors (see below), whose sum is σ = 80026256. Its totient is φ = 20164032.

The previous prime is 40328111. The next prime is 40328161. The reversal of 40328128 is 82182304.

40328128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40328096 and 40328105.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 315000 + ... + 315127.

Almost surely, 2^40328128 is an apocalyptic number.

It is an amenable number.

40328128 is a deficient number, since it is larger than the sum of its proper divisors (39698128).

40328128 is an equidigital number, since it uses as much as digits as its factorization.

40328128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630139 (or 630129 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 40328128 is about 6350.4431341443. The cubic root of 40328128 is about 342.9277954925.

It can be divided in two parts, 40328 and 128, that multiplied together give a square (5161984 = 2272²).

The spelling of 40328128 in words is "forty million, three hundred twenty-eight thousand, one hundred twenty-eight".