40225369 has 4 divisors (see below), whose sum is σ = 40710096. Its totient is φ = 39740644.

The previous prime is 40225333. The next prime is 40225379. The reversal of 40225369 is 96352204.

40225369 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 not a de Polignac number, because 40225369 - 2¹¹ = 40223321 is a prime.

It is a super-2 number, since 2×40225369² = 3236160622372322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40225369.

It is not an unprimeable number, because it can be changed into a prime (40225319) 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, 242239 + ... + 242404.

It is an arithmetic number, because the mean of its divisors is an integer number (10177524).

Almost surely, 2^40225369 is an apocalyptic number.

It is an amenable number.

40225369 is a deficient number, since it is larger than the sum of its proper divisors (484727).

40225369 is an equidigital number, since it uses as much as digits as its factorization.

40225369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484726.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40225369 is about 6342.3472784136. The cubic root of 40225369 is about 342.6362794385.

The spelling of 40225369 in words is "forty million, two hundred twenty-five thousand, three hundred sixty-nine".