40430930 has 64 divisors (see below), whose sum is σ = 81648000. Its totient is φ = 14343168.

The previous prime is 40430921. The next prime is 40430963. The reversal of 40430930 is 3903404.

40430930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40430896 and 40430905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290801 + ... + 290939.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^40430930 is an apocalyptic number.

40430930 is an abundant number, since it is smaller than the sum of its proper divisors (41217070).

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

40430930 is a wasteful number, since it uses less digits than its factorization.

40430930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40430930 is about 6358.5320632989. The cubic root of 40430930 is about 343.2189384394.

The spelling of 40430930 in words is "forty million, four hundred thirty thousand, nine hundred thirty".