340397991585792 has 192 divisors, whose sum is σ = 1152389035324800. Its totient is φ = 97256568913920.

The previous prime is 340397991585779. The next prime is 340397991585859. The reversal of 340397991585792 is 297585199793043.

340397991585792 is a `hidden beast` number, since 3 + 4 + 0 + 39 + 7 + 9 + 9 + 1 + 5 + 8 + 579 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439321809 + ... + 440095952.

It is an arithmetic number, because the mean of its divisors is an integer number (6002026225650).

Almost surely, 2^{340397991585792} is an apocalyptic number.

340397991585792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

340397991585792 is an abundant number, since it is smaller than the sum of its proper divisors (811991043739008).

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

340397991585792 is an equidigital number, since it uses as much as digits as its factorization.

340397991585792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879417799 (or 879417773 counting only the distinct ones).

The product of its (nonzero) digits is 4629441600, while the sum is 81.

The spelling of 340397991585792 in words is "three hundred forty trillion, three hundred ninety-seven billion, nine hundred ninety-one million, five hundred eighty-five thousand, seven hundred ninety-two".