309338294740368 has 160 divisors (see below), whose sum is σ = 856103233267200. Its totient is φ = 95955680332800.

The previous prime is 309338294740313. The next prime is 309338294740421. The reversal of 309338294740368 is 863047492833903.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67239588 + ... + 71692668.

It is an arithmetic number, because the mean of its divisors is an integer number (5350645207920).

Almost surely, 2^{309338294740368} is an apocalyptic number.

309338294740368 is a gapful number since it is divisible by the number (38) 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 309338294740368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428051616633600).

309338294740368 is an abundant number, since it is smaller than the sum of its proper divisors (546764938526832).

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

309338294740368 is a wasteful number, since it uses less digits than its factorization.

309338294740368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454461 (or 4454455 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 69.

The spelling of 309338294740368 in words is "three hundred nine trillion, three hundred thirty-eight billion, two hundred ninety-four million, seven hundred forty thousand, three hundred sixty-eight".