40328944 has 20 divisors (see below), whose sum is σ = 82250440. Its totient is φ = 19103040.

The previous prime is 40328941. The next prime is 40328993. The reversal of 40328944 is 44982304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40328941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66027 + ... + 66634.

It is an arithmetic number, because the mean of its divisors is an integer number (4112522).

Almost surely, 2^40328944 is an apocalyptic number.

It is an amenable number.

40328944 is an abundant number, since it is smaller than the sum of its proper divisors (41921496).

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

40328944 is a wasteful number, since it uses less digits than its factorization.

40328944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132688 (or 132682 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 40328944 is about 6350.5073813043. The cubic root of 40328944 is about 342.9301084124.

The spelling of 40328944 in words is "forty million, three hundred twenty-eight thousand, nine hundred forty-four".