340404136212 has 192 divisors, whose sum is σ = 948326400000. Its totient is φ = 94952761344.

The previous prime is 340404136201. The next prime is 340404136231. The reversal of 340404136212 is 212631404043.

It is a self number, because there is not a number n which added to its sum of digits gives 340404136212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86857989 + ... + 86861907.

It is an arithmetic number, because the mean of its divisors is an integer number (4939200000).

Almost surely, 2^340404136212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340404136212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474163200000).

340404136212 is an abundant number, since it is smaller than the sum of its proper divisors (607922263788).

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

340404136212 is a wasteful number, since it uses less digits than its factorization.

340404136212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 340404136212 in words is "three hundred forty billion, four hundred four million, one hundred thirty-six thousand, two hundred twelve".