6216323402040 has 128 divisors (see below), whose sum is σ = 18860221440000. Its totient is φ = 1638911740928.

The previous prime is 6216323402039. The next prime is 6216323402053. The reversal of 6216323402040 is 402043236126.

It is a junction number, because it is equal to n+sod(n) for n = 6216323401992 and 6216323402010.

It is a congruent number.

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, 167091361 + ... + 167128559.

It is an arithmetic number, because the mean of its divisors is an integer number (147345480000).

Almost surely, 2^{6216323402040} is an apocalyptic number.

6216323402040 is a gapful number since it is divisible by the number (60) 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 6216323402040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9430110720000).

6216323402040 is an abundant number, since it is smaller than the sum of its proper divisors (12643898037960).

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

6216323402040 is a wasteful number, since it uses less digits than its factorization.

6216323402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52949 (or 52945 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 6216323402040 its reverse (402043236126), we get a palindrome (6618366638166).

The spelling of 6216323402040 in words is "six trillion, two hundred sixteen billion, three hundred twenty-three million, four hundred two thousand, forty".