40067242 has 8 divisors (see below), whose sum is σ = 62714016. Its totient is φ = 19162572.

The previous prime is 40067213. The next prime is 40067243. The reversal of 40067242 is 24276004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40067243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 435468 + ... + 435559.

It is an arithmetic number, because the mean of its divisors is an integer number (7839252).

Almost surely, 2^40067242 is an apocalyptic number.

40067242 is a deficient number, since it is larger than the sum of its proper divisors (22646774).

40067242 is a wasteful number, since it uses less digits than its factorization.

40067242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871052.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 40067242 is about 6329.8690349801. The cubic root of 40067242 is about 342.1867190561.

The spelling of 40067242 in words is "forty million, sixty-seven thousand, two hundred forty-two".