2351105120440 has 64 divisors (see below), whose sum is σ = 5760420948000. Its totient is φ = 860222845440.

The previous prime is 2351105120393. The next prime is 2351105120477. The reversal of 2351105120440 is 440215011532.

It is a junction number, because it is equal to n+sod(n) for n = 2351105120399 and 2351105120408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53315191 + ... + 53359270.

Almost surely, 2^{2351105120440} is an apocalyptic number.

2351105120440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2351105120440 is an abundant number, since it is smaller than the sum of its proper divisors (3409315827560).

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

2351105120440 is a wasteful number, since it uses less digits than its factorization.

2351105120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106674520 (or 106674516 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 2351105120440 in words is "two trillion, three hundred fifty-one billion, one hundred five million, one hundred twenty thousand, four hundred forty".