40328942 has 16 divisors (see below), whose sum is σ = 61430400. Its totient is φ = 19854648.

The previous prime is 40328941. The next prime is 40328993. The reversal of 40328942 is 24982304.

It is a junction number, because it is equal to n+sod(n) for n = 40328899 and 40328908.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42113 + ... + 43059.

It is an arithmetic number, because the mean of its divisors is an integer number (3839400).

Almost surely, 2^40328942 is an apocalyptic number.

40328942 is a deficient number, since it is larger than the sum of its proper divisors (21101458).

40328942 is a wasteful number, since it uses less digits than its factorization.

40328942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40328942 is about 6350.5072238365. The cubic root of 40328942 is about 342.9301027436.

The spelling of 40328942 in words is "forty million, three hundred twenty-eight thousand, nine hundred forty-two".