40361197 has 4 divisors (see below), whose sum is σ = 40373920. Its totient is φ = 40348476.

The previous prime is 40361183. The next prime is 40361201. The reversal of 40361197 is 79116304.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40361197 - 2¹¹ = 40359149 is a prime.

It is a super-4 number, since 4×40361197⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40361107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704 + ... + 9382.

It is an arithmetic number, because the mean of its divisors is an integer number (10093480).

It is a Poulet number, since it divides 2^40361196-1.

Almost surely, 2^40361197 is an apocalyptic number.

It is an amenable number.

40361197 is a deficient number, since it is larger than the sum of its proper divisors (12723).

40361197 is an equidigital number, since it uses as much as digits as its factorization.

40361197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12722.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 40361197 is about 6353.0462771807. The cubic root of 40361197 is about 343.0215032971.

The spelling of 40361197 in words is "forty million, three hundred sixty-one thousand, one hundred ninety-seven".