340744381836 has 12 divisors (see below), whose sum is σ = 795070224312. Its totient is φ = 113581460608.

The previous prime is 340744381811. The next prime is 340744381837. The reversal of 340744381836 is 638183447043.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×340744381836² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340744381837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14197682565 + ... + 14197682588.

It is an arithmetic number, because the mean of its divisors is an integer number (66255852026).

Almost surely, 2^340744381836 is an apocalyptic number.

It is an amenable number.

340744381836 is an abundant number, since it is smaller than the sum of its proper divisors (454325842476).

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

340744381836 is a wasteful number, since it uses less digits than its factorization.

340744381836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28395365160 (or 28395365158 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 51.

The spelling of 340744381836 in words is "three hundred forty billion, seven hundred forty-four million, three hundred eighty-one thousand, eight hundred thirty-six".