40402141 has 8 divisors (see below), whose sum is σ = 43704864. Its totient is φ = 37127280.

The previous prime is 40402127. The next prime is 40402163. The reversal of 40402141 is 14120404.

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

It is a cyclic number.

It is not a de Polignac number, because 40402141 - 2¹¹ = 40400093 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 (40402441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3895 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (5463108).

Almost surely, 2^40402141 is an apocalyptic number.

It is an amenable number.

40402141 is a deficient number, since it is larger than the sum of its proper divisors (3302723).

40402141 is a wasteful number, since it uses less digits than its factorization.

40402141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13931.

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

The square root of 40402141 is about 6356.2678514990. The cubic root of 40402141 is about 343.1374556390.

Adding to 40402141 its reverse (14120404), we get a palindrome (54522545).

The spelling of 40402141 in words is "forty million, four hundred two thousand, one hundred forty-one".