308296020376340 has 12 divisors (see below), whose sum is σ = 647421642790356. Its totient is φ = 123318408150528.

The previous prime is 308296020376321. The next prime is 308296020376403. The reversal of 308296020376340 is 43673020692803.

It can be written as a sum of positive squares in 2 ways, for example, as 62034936003076 + 246261084373264 = 7876226^2 + 15692708^2 .

It is a congruent number.

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, 7707400509389 + ... + 7707400509428.

It is an arithmetic number, because the mean of its divisors is an integer number (53951803565863).

Almost surely, 2^{308296020376340} is an apocalyptic number.

It is an amenable number.

308296020376340 is an abundant number, since it is smaller than the sum of its proper divisors (339125622414016).

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

308296020376340 is a wasteful number, since it uses less digits than its factorization.

308296020376340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414801018826 (or 15414801018824 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 308296020376340 in words is "three hundred eight trillion, two hundred ninety-six billion, twenty million, three hundred seventy-six thousand, three hundred forty".