6522434404640 has 192 divisors, whose sum is σ = 19265061150720. Its totient is φ = 2027302333440.

The previous prime is 6522434404639. The next prime is 6522434404679. The reversal of 6522434404640 is 464044342256.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 6522434404591 and 6522434404600.

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, 3685529 + ... + 5160231.

It is an arithmetic number, because the mean of its divisors is an integer number (100338860160).

Almost surely, 2^{6522434404640} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6522434404640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9632530575360).

6522434404640 is an abundant number, since it is smaller than the sum of its proper divisors (12742626746080).

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

6522434404640 is a wasteful number, since it uses less digits than its factorization.

6522434404640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475095 (or 1475087 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 44.

Adding to 6522434404640 its reverse (464044342256), we get a palindrome (6986478746896).

The spelling of 6522434404640 in words is "six trillion, five hundred twenty-two billion, four hundred thirty-four million, four hundred four thousand, six hundred forty".