340823138436 has 72 divisors (see below), whose sum is σ = 995130680544. Its totient is φ = 97204458240.

The previous prime is 340823138413. The next prime is 340823138441. The reversal of 340823138436 is 634831328043.

340823138436 is a `hidden beast` number, since 3 + 4 + 0 + 8 + 231 + 384 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 340823138391 and 340823138400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25306930 + ... + 25320393.

It is an arithmetic number, because the mean of its divisors is an integer number (13821259452).

Almost surely, 2^340823138436 is an apocalyptic number.

340823138436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

340823138436 is an abundant number, since it is smaller than the sum of its proper divisors (654307542108).

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

340823138436 is a wasteful number, since it uses less digits than its factorization.

340823138436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50627361 (or 50627356 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 340823138436 in words is "three hundred forty billion, eight hundred twenty-three million, one hundred thirty-eight thousand, four hundred thirty-six".