40052297 has 4 divisors (see below), whose sum is σ = 40317696. Its totient is φ = 39786900.

The previous prime is 40052293. The next prime is 40052303. The reversal of 40052297 is 79225004.

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 not a de Polignac number, because 40052297 - 2² = 40052293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40052291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132473 + ... + 132774.

It is an arithmetic number, because the mean of its divisors is an integer number (10079424).

Almost surely, 2^40052297 is an apocalyptic number.

It is an amenable number.

40052297 is a deficient number, since it is larger than the sum of its proper divisors (265399).

40052297 is a wasteful number, since it uses less digits than its factorization.

40052297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265398.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40052297 is about 6328.6884107215. The cubic root of 40052297 is about 342.1441687812.

The spelling of 40052297 in words is "forty million, fifty-two thousand, two hundred ninety-seven".