340744946318 has 32 divisors (see below), whose sum is σ = 610865362944. Its totient is φ = 139378548672.

The previous prime is 340744946221. The next prime is 340744946327. The reversal of 340744946318 is 813649447043.

It is a happy number.

It is a super-2 number, since 2×340744946318² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340744946318.

It is a congruent number.

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, 1010630 + ... + 1304937.

It is an arithmetic number, because the mean of its divisors is an integer number (19089542592).

Almost surely, 2^340744946318 is an apocalyptic number.

340744946318 is a deficient number, since it is larger than the sum of its proper divisors (270120416626).

340744946318 is a wasteful number, since it uses less digits than its factorization.

340744946318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316056.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 340744946318 in words is "three hundred forty billion, seven hundred forty-four million, nine hundred forty-six thousand, three hundred eighteen".