602811920840 has 128 divisors (see below), whose sum is σ = 1440351158400. Its totient is φ = 226663557120.

The previous prime is 602811920779. The next prime is 602811920861. The reversal of 602811920840 is 48029118206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15593135 + ... + 15631745.

It is an arithmetic number, because the mean of its divisors is an integer number (11252743425).

Almost surely, 2^602811920840 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 602811920840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720175579200).

602811920840 is an abundant number, since it is smaller than the sum of its proper divisors (837539237560).

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

602811920840 is a wasteful number, since it uses less digits than its factorization.

602811920840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39007 (or 39003 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 602811920840 in words is "six hundred two billion, eight hundred eleven million, nine hundred twenty thousand, eight hundred forty".