393140068776348 has 48 divisors (see below), whose sum is σ = 932510915794080. Its totient is φ = 128878206624000.

The previous prime is 393140068776347. The next prime is 393140068776463. The reversal of 393140068776348 is 843677860041393.

It is a super-2 number, since 2×393140068776348² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393140068776347) 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, 37354603 + ... + 46708098.

It is an arithmetic number, because the mean of its divisors is an integer number (19427310745710).

Almost surely, 2^{393140068776348} is an apocalyptic number.

It is an amenable number.

393140068776348 is an abundant number, since it is smaller than the sum of its proper divisors (539370847017732).

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

393140068776348 is a wasteful number, since it uses less digits than its factorization.

393140068776348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84069158 (or 84069156 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 69.

The spelling of 393140068776348 in words is "three hundred ninety-three trillion, one hundred forty billion, sixty-eight million, seven hundred seventy-six thousand, three hundred forty-eight".