40342124 has 12 divisors (see below), whose sum is σ = 70774200. Its totient is φ = 20120928.

The previous prime is 40342123. The next prime is 40342151. The reversal of 40342124 is 42124304.

40342124 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 = 40342096 and 40342105.

It is not an unprimeable number, because it can be changed into a prime (40342123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10694 + ... + 13965.

It is an arithmetic number, because the mean of its divisors is an integer number (5897850).

Almost surely, 2^40342124 is an apocalyptic number.

It is an amenable number.

40342124 is a deficient number, since it is larger than the sum of its proper divisors (30432076).

40342124 is a wasteful number, since it uses less digits than its factorization.

40342124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25072 (or 25070 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40342124 is about 6351.5450088935. The cubic root of 40342124 is about 342.9674622837.

Adding to 40342124 its reverse (42124304), we get a palindrome (82466428).

The spelling of 40342124 in words is "forty million, three hundred forty-two thousand, one hundred twenty-four".