40031525113442 has 4 divisors (see below), whose sum is σ = 60047287670166. Its totient is φ = 20015762556720.

The previous prime is 40031525113439. The next prime is 40031525113471. The reversal of 40031525113442 is 24431152513004.

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., 25684634136001 + 14346890977441 = 5068001^2 + 3787729^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007881278359 + ... + 10007881278362.

Almost surely, 2^{40031525113442} is an apocalyptic number.

40031525113442 is a deficient number, since it is larger than the sum of its proper divisors (20015762556724).

40031525113442 is a wasteful number, since it uses less digits than its factorization.

40031525113442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20015762556723.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 40031525113442 its reverse (24431152513004), we get a palindrome (64462677626446).

The spelling of 40031525113442 in words is "forty trillion, thirty-one billion, five hundred twenty-five million, one hundred thirteen thousand, four hundred forty-two".