40322445 has 16 divisors (see below), whose sum is σ = 64670400. Its totient is φ = 21453824.

The previous prime is 40322437. The next prime is 40322449. The reversal of 40322445 is 54422304.

40322445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40322445 - 2³ = 40322437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322449) 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 15 ways as a sum of consecutive naturals, for example, 3742 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (4041900).

Almost surely, 2^40322445 is an apocalyptic number.

It is an amenable number.

40322445 is a deficient number, since it is larger than the sum of its proper divisors (24347955).

40322445 is a wasteful number, since it uses less digits than its factorization.

40322445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 40322445 is about 6349.9956692899. The cubic root of 40322445 is about 342.9116863870.

Adding to 40322445 its reverse (54422304), we get a palindrome (94744749).

The spelling of 40322445 in words is "forty million, three hundred twenty-two thousand, four hundred forty-five".