40323301444 has 12 divisors (see below), whose sum is σ = 70595732844. Its totient is φ = 20153092064.

The previous prime is 40323301397. The next prime is 40323301457. The reversal of 40323301444 is 44410332304.

It can be written as a sum of positive squares in 2 ways, for example, as 4394098944 + 35929202500 = 66288^2 + 189550^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129059 + ... + 2147914.

It is an arithmetic number, because the mean of its divisors is an integer number (5882977737).

Almost surely, 2^40323301444 is an apocalyptic number.

It is an amenable number.

40323301444 is a deficient number, since it is larger than the sum of its proper divisors (30272431400).

40323301444 is a wasteful number, since it uses less digits than its factorization.

40323301444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279334 (or 4279332 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40323301444 its reverse (44410332304), we get a palindrome (84733633748).

The spelling of 40323301444 in words is "forty billion, three hundred twenty-three million, three hundred one thousand, four hundred forty-four".