502240442340 has 192 divisors, whose sum is σ = 1732247548416. Its totient is φ = 105878458368.

The previous prime is 502240442303. The next prime is 502240442351. The reversal of 502240442340 is 43244042205.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 502240442298 and 502240442307.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6585064 + ... + 6660896.

It is an arithmetic number, because the mean of its divisors is an integer number (9022122648).

Almost surely, 2^502240442340 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 502240442340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866123774208).

502240442340 is an abundant number, since it is smaller than the sum of its proper divisors (1230007106076).

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

502240442340 is a wasteful number, since it uses less digits than its factorization.

502240442340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77078 (or 77076 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 502240442340 its reverse (43244042205), we get a palindrome (545484484545).

The spelling of 502240442340 in words is "five hundred two billion, two hundred forty million, four hundred forty-two thousand, three hundred forty".