308343839752 has 16 divisors (see below), whose sum is σ = 622617368940. Its totient is φ = 142312541376.

The previous prime is 308343839729. The next prime is 308343839761. The reversal of 308343839752 is 257938343803.

It can be written as a sum of positive squares in 2 ways, for example, as 277419210436 + 30924629316 = 526706^2 + 175854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 308343839693 and 308343839702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482422203 + ... + 1482422410.

Almost surely, 2^308343839752 is an apocalyptic number.

It is an amenable number.

308343839752 is an abundant number, since it is smaller than the sum of its proper divisors (314273529188).

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

308343839752 is a wasteful number, since it uses less digits than its factorization.

308343839752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964844632 (or 2964844628 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 308343839752 in words is "three hundred eight billion, three hundred forty-three million, eight hundred thirty-nine thousand, seven hundred fifty-two".