40342130 has 32 divisors (see below), whose sum is σ = 77155200. Its totient is φ = 15144192.

The previous prime is 40342123. The next prime is 40342151. The reversal of 40342130 is 3124304.

40342130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40342099 and 40342108.

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 15 ways as a sum of consecutive naturals, for example, 20531 + ... + 22409.

It is an arithmetic number, because the mean of its divisors is an integer number (2411100).

Almost surely, 2^40342130 is an apocalyptic number.

40342130 is a deficient number, since it is larger than the sum of its proper divisors (36813070).

40342130 is a wasteful number, since it uses less digits than its factorization.

40342130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40342130 is about 6351.5454812195. The cubic root of 40342130 is about 342.9674792866.

Adding to 40342130 its reverse (3124304), we get a palindrome (43466434).

The spelling of 40342130 in words is "forty million, three hundred forty-two thousand, one hundred thirty".