40736141 has 4 divisors (see below), whose sum is σ = 40753692. Its totient is φ = 40718592.

The previous prime is 40736119. The next prime is 40736147. The reversal of 40736141 is 14163704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27984100 + 12752041 = 5290^2 + 3571^2 .

It is a cyclic number.

It is not a de Polignac number, because 40736141 - 2¹⁰ = 40735117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40736141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40736147) 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, 4646 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (10188423).

Almost surely, 2^40736141 is an apocalyptic number.

It is an amenable number.

40736141 is a deficient number, since it is larger than the sum of its proper divisors (17551).

40736141 is a wasteful number, since it uses less digits than its factorization.

40736141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17550.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40736141 is about 6382.4870544326. The cubic root of 40736141 is about 344.0804216380.

Adding to 40736141 its reverse (14163704), we get a palindrome (54899845).

The spelling of 40736141 in words is "forty million, seven hundred thirty-six thousand, one hundred forty-one".