40328793 has 8 divisors (see below), whose sum is σ = 59746400. Its totient is φ = 26885844.

The previous prime is 40328767. The next prime is 40328803. The reversal of 40328793 is 39782304.

It is not a de Polignac number, because 40328793 - 2⁸ = 40328537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40328713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746803 + ... + 746856.

It is an arithmetic number, because the mean of its divisors is an integer number (7468300).

Almost surely, 2^40328793 is an apocalyptic number.

It is an amenable number.

40328793 is a deficient number, since it is larger than the sum of its proper divisors (19417607).

40328793 is a wasteful number, since it uses less digits than its factorization.

40328793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493668 (or 1493662 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 40328793 is about 6350.4954924793. The cubic root of 40328793 is about 342.9296804112.

The spelling of 40328793 in words is "forty million, three hundred twenty-eight thousand, seven hundred ninety-three".