440443241143440 has 40 divisors (see below), whose sum is σ = 1365374047545408. Its totient is φ = 117451530971520.

The previous prime is 440443241143313. The next prime is 440443241143459. The reversal of 440443241143440 is 44341142344044.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 440443241143392 and 440443241143401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917590085476 + ... + 917590085955.

Almost surely, 2^{440443241143440} is an apocalyptic number.

440443241143440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440443241143440 is an abundant number, since it is smaller than the sum of its proper divisors (924930806401968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440443241143440 is a wasteful number, since it uses less digits than its factorization.

440443241143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835180171447 (or 1835180171441 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 42.

Adding to 440443241143440 its reverse (44341142344044), we get a palindrome (484784383487484).

The spelling of 440443241143440 in words is "four hundred forty trillion, four hundred forty-three billion, two hundred forty-one million, one hundred forty-three thousand, four hundred forty".