828422320540 has 48 divisors (see below), whose sum is σ = 1777990806144. Its totient is φ = 324083174400.

The previous prime is 828422320507. The next prime is 828422320541. The reversal of 828422320540 is 45023224828.

It is a junction number, because it is equal to n+sod(n) for n = 828422320493 and 828422320502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828422320541) 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, 979060 + ... + 1617220.

It is an arithmetic number, because the mean of its divisors is an integer number (37041475128).

Almost surely, 2^828422320540 is an apocalyptic number.

It is an amenable number.

828422320540 is an abundant number, since it is smaller than the sum of its proper divisors (949568485604).

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

828422320540 is a wasteful number, since it uses less digits than its factorization.

828422320540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639598 (or 639596 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 828422320540 in words is "eight hundred twenty-eight billion, four hundred twenty-two million, three hundred twenty thousand, five hundred forty".