40224240066442 has 4 divisors (see below), whose sum is σ = 60336360099666. Its totient is φ = 20112120033220.

The previous prime is 40224240066397. The next prime is 40224240066443. The reversal of 40224240066442 is 24466004242204.

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., 39232321672041 + 991918394401 = 6263571^2 + 995951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40224240066395 and 40224240066404.

It is not an unprimeable number, because it can be changed into a prime (40224240066443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056060016609 + ... + 10056060016612.

Almost surely, 2^{40224240066442} is an apocalyptic number.

40224240066442 is a deficient number, since it is larger than the sum of its proper divisors (20112120033224).

40224240066442 is a wasteful number, since it uses less digits than its factorization.

40224240066442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20112120033223.

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 40224240066442 in words is "forty trillion, two hundred twenty-four billion, two hundred forty million, sixty-six thousand, four hundred forty-two".