440061315324451 has 16 divisors (see below), whose sum is σ = 461576097744768. Its totient is φ = 419091291964800.

The previous prime is 440061315324443. The next prime is 440061315324503. The reversal of 440061315324451 is 154423513160044.

It is a cyclic number.

It is not a de Polignac number, because 440061315324451 - 2³ = 440061315324443 is a prime.

It is a super-2 number, since 2×440061315324451² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440061315324398 and 440061315324407.

It is not an unprimeable number, because it can be changed into a prime (440061315324251) 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, 265690555 + ... + 267341716.

It is an arithmetic number, because the mean of its divisors is an integer number (28848506109048).

Almost surely, 2^{440061315324451} is an apocalyptic number.

440061315324451 is a deficient number, since it is larger than the sum of its proper divisors (21514782420317).

440061315324451 is a wasteful number, since it uses less digits than its factorization.

440061315324451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533032782.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 440061315324451 its reverse (154423513160044), we get a palindrome (594484828484495).

The spelling of 440061315324451 in words is "four hundred forty trillion, sixty-one billion, three hundred fifteen million, three hundred twenty-four thousand, four hundred fifty-one".