440235521004442 has 8 divisors (see below), whose sum is σ = 660397396274100. Its totient is φ = 220103055579744.

The previous prime is 440235521004437. The next prime is 440235521004493. The reversal of 440235521004442 is 244400125532044.

It can be written as a sum of positive squares in 2 ways, for example, as 422852967165321 + 17382553839121 = 20563389^2 + 4169239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 440235521004395 and 440235521004404.

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, 7352423817 + ... + 7352483692.

Almost surely, 2^{440235521004442} is an apocalyptic number.

440235521004442 is a deficient number, since it is larger than the sum of its proper divisors (220161875269658).

440235521004442 is a wasteful number, since it uses less digits than its factorization.

440235521004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14704922480.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 440235521004442 its reverse (244400125532044), we get a palindrome (684635646536486).

The spelling of 440235521004442 in words is "four hundred forty trillion, two hundred thirty-five billion, five hundred twenty-one million, four thousand, four hundred forty-two".