40368297 has 4 divisors (see below), whose sum is σ = 53824400. Its totient is φ = 26912196.

The previous prime is 40368287. The next prime is 40368299. The reversal of 40368297 is 79286304.

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 40368297 - 2¹⁰ = 40367273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40368299) 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, 6728047 + ... + 6728052.

It is an arithmetic number, because the mean of its divisors is an integer number (13456100).

Almost surely, 2^40368297 is an apocalyptic number.

It is an amenable number.

40368297 is a deficient number, since it is larger than the sum of its proper divisors (13456103).

40368297 is a wasteful number, since it uses less digits than its factorization.

40368297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13456102.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 40368297 is about 6353.6050396606. The cubic root of 40368297 is about 343.0416159305.

The spelling of 40368297 in words is "forty million, three hundred sixty-eight thousand, two hundred ninety-seven".