302404220340 has 192 divisors, whose sum is σ = 899704350720. Its totient is φ = 75727843840.

The previous prime is 302404220269. The next prime is 302404220423. The reversal of 302404220340 is 43022404203.

It is a self number, because there is not a number n which added to its sum of digits gives 302404220340.

It is a congruent number.

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, 76614247 + ... + 76618193.

It is an arithmetic number, because the mean of its divisors is an integer number (4685960160).

Almost surely, 2^302404220340 is an apocalyptic number.

302404220340 is a gapful number since it is divisible by the number (30) 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 302404220340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449852175360).

302404220340 is an abundant number, since it is smaller than the sum of its proper divisors (597300130380).

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

302404220340 is a wasteful number, since it uses less digits than its factorization.

302404220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 302404220340 its reverse (43022404203), we get a palindrome (345426624543).

The spelling of 302404220340 in words is "three hundred two billion, four hundred four million, two hundred twenty thousand, three hundred forty".