40313930 has 16 divisors (see below), whose sum is σ = 73440864. Its totient is φ = 15930960.

The previous prime is 40313929. The next prime is 40313983. The reversal of 40313930 is 3931304.

It is a junction number, because it is equal to n+sod(n) for n = 40313896 and 40313905.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23456 + ... + 25115.

It is an arithmetic number, because the mean of its divisors is an integer number (4590054).

Almost surely, 2^40313930 is an apocalyptic number.

40313930 is a deficient number, since it is larger than the sum of its proper divisors (33126934).

40313930 is a wasteful number, since it uses less digits than its factorization.

40313930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48661.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 40313930 is about 6349.3251609915. The cubic root of 40313930 is about 342.8875468243.

The spelling of 40313930 in words is "forty million, three hundred thirteen thousand, nine hundred thirty".