40533141 has 8 divisors (see below), whose sum is σ = 58957344. Its totient is φ = 24565520.

The previous prime is 40533139. The next prime is 40533173. The reversal of 40533141 is 14133504.

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 40533141 - 2¹ = 40533139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40533121) 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, 614106 + ... + 614171.

It is an arithmetic number, because the mean of its divisors is an integer number (7369668).

Almost surely, 2^40533141 is an apocalyptic number.

It is an amenable number.

40533141 is a deficient number, since it is larger than the sum of its proper divisors (18424203).

40533141 is a wasteful number, since it uses less digits than its factorization.

40533141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228291.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40533141 is about 6366.5643010968. The cubic root of 40533141 is about 343.5079187697.

Adding to 40533141 its reverse (14133504), we get a palindrome (54666645).

The spelling of 40533141 in words is "forty million, five hundred thirty-three thousand, one hundred forty-one".