40323301442 has 4 divisors (see below), whose sum is σ = 60484952166. Its totient is φ = 20161650720.

The previous prime is 40323301397. The next prime is 40323301457. The reversal of 40323301442 is 24410332304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36267012721 + 4056288721 = 190439^2 + 63689^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10080825359 + ... + 10080825362.

Almost surely, 2^40323301442 is an apocalyptic number.

40323301442 is a deficient number, since it is larger than the sum of its proper divisors (20161650724).

40323301442 is a wasteful number, since it uses less digits than its factorization.

40323301442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20161650723.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40323301442 its reverse (24410332304), we get a palindrome (64733633746).

The spelling of 40323301442 in words is "forty billion, three hundred twenty-three million, three hundred one thousand, four hundred forty-two".