340687264212 has 72 divisors (see below), whose sum is σ = 891892415232. Its totient is φ = 109580721600.

The previous prime is 340687264207. The next prime is 340687264223. The reversal of 340687264212 is 212462786043.

It is a happy number.

340687264212 is a `hidden beast` number, since 3 + 406 + 8 + 7 + 26 + 4 + 212 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1297839 + ... + 1538102.

It is an arithmetic number, because the mean of its divisors is an integer number (12387394656).

Almost surely, 2^340687264212 is an apocalyptic number.

It is an amenable number.

340687264212 is an abundant number, since it is smaller than the sum of its proper divisors (551205151020).

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

340687264212 is a wasteful number, since it uses less digits than its factorization.

340687264212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836069 (or 2836064 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 340687264212 in words is "three hundred forty billion, six hundred eighty-seven million, two hundred sixty-four thousand, two hundred twelve".