440120326361351 has 16 divisors (see below), whose sum is σ = 484581125548800. Its totient is φ = 397875716682048.

The previous prime is 440120326361341. The next prime is 440120326361357. The reversal of 440120326361351 is 153163623021044.

It is a happy number.

It is not a de Polignac number, because 440120326361351 - 2²² = 440120322167047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440120326361299 and 440120326361308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440120326361357) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1201655006 + ... + 1202021211.

It is an arithmetic number, because the mean of its divisors is an integer number (30286320346800).

Almost surely, 2^{440120326361351} is an apocalyptic number.

440120326361351 is a deficient number, since it is larger than the sum of its proper divisors (44460799187449).

440120326361351 is a wasteful number, since it uses less digits than its factorization.

440120326361351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403676678.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 440120326361351 its reverse (153163623021044), we get a palindrome (593283949382395).

The spelling of 440120326361351 in words is "four hundred forty trillion, one hundred twenty billion, three hundred twenty-six million, three hundred sixty-one thousand, three hundred fifty-one".