40242575 has 24 divisors (see below), whose sum is σ = 52764480. Its totient is φ = 30396800.

The previous prime is 40242547. The next prime is 40242583. The reversal of 40242575 is 57524204.

It is a happy number.

40242575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40242575 - 2⁶ = 40242511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 33485 + ... + 34665.

It is an arithmetic number, because the mean of its divisors is an integer number (2198520).

Almost surely, 2^40242575 is an apocalyptic number.

40242575 is a deficient number, since it is larger than the sum of its proper divisors (12521905).

40242575 is a wasteful number, since it uses less digits than its factorization.

40242575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 40242575 is about 6343.7035712587. The cubic root of 40242575 is about 342.6851255573.

Adding to 40242575 its reverse (57524204), we get a palindrome (97766779).

The spelling of 40242575 in words is "forty million, two hundred forty-two thousand, five hundred seventy-five".