40097361 has 4 divisors (see below), whose sum is σ = 53463152. Its totient is φ = 26731572.

The previous prime is 40097327. The next prime is 40097389. The reversal of 40097361 is 16379004.

It is a happy number.

40097361 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 not a de Polignac number, because 40097361 - 2²⁵ = 6542929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40097311) 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, 6682891 + ... + 6682896.

It is an arithmetic number, because the mean of its divisors is an integer number (13365788).

Almost surely, 2^40097361 is an apocalyptic number.

It is an amenable number.

40097361 is a deficient number, since it is larger than the sum of its proper divisors (13365791).

40097361 is a wasteful number, since it uses less digits than its factorization.

40097361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13365790.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 40097361 is about 6332.2477051992. The cubic root of 40097361 is about 342.2724394592.

The spelling of 40097361 in words is "forty million, ninety-seven thousand, three hundred sixty-one".