307708032648 has 32 divisors (see below), whose sum is σ = 769918232160. Its totient is φ = 102482924160.

The previous prime is 307708032641. The next prime is 307708032649. The reversal of 307708032648 is 846230807703.

307708032648 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×307708032648² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 307708032597 and 307708032606.

It is not an unprimeable number, because it can be changed into a prime (307708032641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5372173 + ... + 5429148.

It is an arithmetic number, because the mean of its divisors is an integer number (24059944755).

Almost surely, 2^307708032648 is an apocalyptic number.

It is an amenable number.

307708032648 is an abundant number, since it is smaller than the sum of its proper divisors (462210199512).

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

307708032648 is a wasteful number, since it uses less digits than its factorization.

307708032648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802517 (or 10802513 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 307708032648 in words is "three hundred seven billion, seven hundred eight million, thirty-two thousand, six hundred forty-eight".