40381301 has 4 divisors (see below), whose sum is σ = 40699392. Its totient is φ = 40063212.

The previous prime is 40381291. The next prime is 40381309. The reversal of 40381301 is 10318304.

It is a happy number.

40381301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-40381301 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 (40381309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158855 + ... + 159108.

It is an arithmetic number, because the mean of its divisors is an integer number (10174848).

Almost surely, 2^40381301 is an apocalyptic number.

It is an amenable number.

40381301 is a deficient number, since it is larger than the sum of its proper divisors (318091).

40381301 is a wasteful number, since it uses less digits than its factorization.

40381301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318090.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40381301 is about 6354.6283132847. The cubic root of 40381301 is about 343.0784470958.

Adding to 40381301 its reverse (10318304), we get a palindrome (50699605).

The spelling of 40381301 in words is "forty million, three hundred eighty-one thousand, three hundred one".