440087780044 has 48 divisors (see below), whose sum is σ = 854545386240. Its totient is φ = 196617707840.

The previous prime is 440087780029. The next prime is 440087780063.

440087780044 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×440087780044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440087779976 and 440087780003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24738777 + ... + 24756559.

It is an arithmetic number, because the mean of its divisors is an integer number (17803028880).

Almost surely, 2^440087780044 is an apocalyptic number.

440087780044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440087780044 is a deficient number, since it is larger than the sum of its proper divisors (414457606196).

440087780044 is a wasteful number, since it uses less digits than its factorization.

440087780044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27390 (or 27388 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 46.

The spelling of 440087780044 in words is "four hundred forty billion, eighty-seven million, seven hundred eighty thousand, forty-four".