40912928 has 48 divisors (see below), whose sum is σ = 96909120. Its totient is φ = 16609536.

The previous prime is 40912903. The next prime is 40912933. The reversal of 40912928 is 82921904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (2018940).

Almost surely, 2^40912928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40912928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48454560).

40912928 is an abundant number, since it is smaller than the sum of its proper divisors (55996192).

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

40912928 is a wasteful number, since it uses less digits than its factorization.

40912928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9649 (or 9641 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 40912928 is about 6396.3214428295. The cubic root of 40912928 is about 344.5774508955.

The spelling of 40912928 in words is "forty million, nine hundred twelve thousand, nine hundred twenty-eight".