40445244442 has 32 divisors (see below), whose sum is σ = 64748908224. Its totient is φ = 18881683200.

The previous prime is 40445244377. The next prime is 40445244443. The reversal of 40445244442 is 24444254404.

40445244442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40445244443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3158092 + ... + 3170872.

It is an arithmetic number, because the mean of its divisors is an integer number (2023403382).

Almost surely, 2^40445244442 is an apocalyptic number.

40445244442 is a deficient number, since it is larger than the sum of its proper divisors (24303663782).

40445244442 is a wasteful number, since it uses less digits than its factorization.

40445244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13534.

The product of its (nonzero) digits is 327680, while the sum is 37.

Adding to 40445244442 its reverse (24444254404), we get a palindrome (64889498846).

The spelling of 40445244442 in words is "forty billion, four hundred forty-five million, two hundred forty-four thousand, four hundred forty-two".