40081301 has 4 divisors (see below), whose sum is σ = 43164492. Its totient is φ = 36998112.

The previous prime is 40081297. The next prime is 40081309. The reversal of 40081301 is 10318004.

It is a happy number.

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 3236401 + 36844900 = 1799^2 + 6070^2 .

It is a cyclic number.

It is not a de Polignac number, because 40081301 - 2² = 40081297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40081301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40081309) 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, 1541576 + ... + 1541601.

It is an arithmetic number, because the mean of its divisors is an integer number (10791123).

Almost surely, 2^40081301 is an apocalyptic number.

It is an amenable number.

40081301 is a deficient number, since it is larger than the sum of its proper divisors (3083191).

40081301 is a wasteful number, since it uses less digits than its factorization.

40081301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083190.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 40081301 is about 6330.9794660858. The cubic root of 40081301 is about 342.2267371213.

Adding to 40081301 its reverse (10318004), we get a palindrome (50399305).

The spelling of 40081301 in words is "forty million, eighty-one thousand, three hundred one".