4351122510440 has 128 divisors (see below), whose sum is σ = 10104070636800. Its totient is φ = 1685534269440.

The previous prime is 4351122510421. The next prime is 4351122510529. The reversal of 4351122510440 is 440152211534.

It is a junction number, because it is equal to n+sod(n) for n = 4351122510397 and 4351122510406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230050424 + ... + 230069336.

It is an arithmetic number, because the mean of its divisors is an integer number (78938051850).

Almost surely, 2^{4351122510440} is an apocalyptic number.

4351122510440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4351122510440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5052035318400).

4351122510440 is an abundant number, since it is smaller than the sum of its proper divisors (5752948126360).

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

4351122510440 is a wasteful number, since it uses less digits than its factorization.

4351122510440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20427 (or 20423 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 4351122510440 its reverse (440152211534), we get a palindrome (4791274721974).

The spelling of 4351122510440 in words is "four trillion, three hundred fifty-one billion, one hundred twenty-two million, five hundred ten thousand, four hundred forty".