4321134420040 has 64 divisors (see below), whose sum is σ = 9969008742000. Its totient is φ = 1684718223360.

The previous prime is 4321134420037. The next prime is 4321134420047. The reversal of 4321134420040 is 400244311234.

4321134420040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1392319761156 + 2928814658884 = 1179966^2 + 1711378^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4321134419990 and 4321134420008.

It is not an unprimeable number, because it can be changed into a prime (4321134420047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520776 + ... + 2985544.

Almost surely, 2^{4321134420040} is an apocalyptic number.

4321134420040 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 4321134420040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4984504371000).

4321134420040 is an abundant number, since it is smaller than the sum of its proper divisors (5647874321960).

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

4321134420040 is a wasteful number, since it uses less digits than its factorization.

4321134420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465890 (or 2465886 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4321134420040 its reverse (400244311234), we get a palindrome (4721378731274).

The spelling of 4321134420040 in words is "four trillion, three hundred twenty-one billion, one hundred thirty-four million, four hundred twenty thousand, forty".