40542235 has 8 divisors (see below), whose sum is σ = 49837536. Its totient is φ = 31642560.

The previous prime is 40542221. The next prime is 40542241. The reversal of 40542235 is 53224504.

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

It is not a de Polignac number, because 40542235 - 2¹⁹ = 40017947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 98679 + ... + 99088.

It is an arithmetic number, because the mean of its divisors is an integer number (6229692).

Almost surely, 2^40542235 is an apocalyptic number.

40542235 is a deficient number, since it is larger than the sum of its proper divisors (9295301).

40542235 is a wasteful number, since it uses less digits than its factorization.

40542235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197813.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40542235 is about 6367.2784610067. The cubic root of 40542235 is about 343.5336066171.

Adding to 40542235 its reverse (53224504), we get a palindrome (93766739).

The spelling of 40542235 in words is "forty million, five hundred forty-two thousand, two hundred thirty-five".