40240141 has 4 divisors (see below), whose sum is σ = 40506784. Its totient is φ = 39973500.

The previous prime is 40240129. The next prime is 40240163. The reversal of 40240141 is 14104204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40240141 - 2¹⁹ = 39715853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133095 + ... + 133396.

It is an arithmetic number, because the mean of its divisors is an integer number (10126696).

Almost surely, 2^40240141 is an apocalyptic number.

It is an amenable number.

40240141 is a deficient number, since it is larger than the sum of its proper divisors (266643).

40240141 is a wasteful number, since it uses less digits than its factorization.

40240141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266642.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 40240141 is about 6343.5117245891. The cubic root of 40240141 is about 342.6782165195.

Adding to 40240141 its reverse (14104204), we get a palindrome (54344345).

The spelling of 40240141 in words is "forty million, two hundred forty thousand, one hundred forty-one".