40328448 has 36 divisors (see below), whose sum is σ = 107334528. Its totient is φ = 13442560.

The previous prime is 40328443. The next prime is 40328459. The reversal of 40328448 is 84482304.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40328443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25488 + ... + 27023.

Almost surely, 2^40328448 is an apocalyptic number.

40328448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40328448 is an abundant number, since it is smaller than the sum of its proper divisors (67006080).

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

40328448 is an equidigital number, since it uses as much as digits as its factorization.

40328448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52530 (or 52516 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 40328448 is about 6350.4683291864. The cubic root of 40328448 is about 342.9287025237.

The spelling of 40328448 in words is "forty million, three hundred twenty-eight thousand, four hundred forty-eight".