40115342 has 8 divisors (see below), whose sum is σ = 63712656. Its totient is φ = 18877792.

The previous prime is 40115303. The next prime is 40115347. The reversal of 40115342 is 24351104.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115347) 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, 589898 + ... + 589965.

It is an arithmetic number, because the mean of its divisors is an integer number (7964082).

Almost surely, 2^40115342 is an apocalyptic number.

40115342 is a deficient number, since it is larger than the sum of its proper divisors (23597314).

40115342 is a wasteful number, since it uses less digits than its factorization.

40115342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179882.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40115342 is about 6333.6673420697. The cubic root of 40115342 is about 342.3235939563.

Adding to 40115342 its reverse (24351104), we get a palindrome (64466446).

The spelling of 40115342 in words is "forty million, one hundred fifteen thousand, three hundred forty-two".