306403602441252 has 48 divisors (see below), whose sum is σ = 720607350392832. Its totient is φ = 101325241785600.

The previous prime is 306403602441229. The next prime is 306403602441257. The reversal of 306403602441252 is 252144206304603.

It is a happy number.

It is a super-2 number, since 2×306403602441252² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (306403602441257) 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, 25405752 + ... + 35471952.

It is an arithmetic number, because the mean of its divisors is an integer number (15012653133184).

Almost surely, 2^{306403602441252} is an apocalyptic number.

It is an amenable number.

306403602441252 is an abundant number, since it is smaller than the sum of its proper divisors (414203747951580).

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

306403602441252 is a wasteful number, since it uses less digits than its factorization.

306403602441252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086308 (or 10086306 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 306403602441252 its reverse (252144206304603), we get a palindrome (558547808745855).

The spelling of 306403602441252 in words is "three hundred six trillion, four hundred three billion, six hundred two million, four hundred forty-one thousand, two hundred fifty-two".