340340033406 has 16 divisors (see below), whose sum is σ = 685187883648. Its totient is φ = 112695375000.

The previous prime is 340340033393. The next prime is 340340033413. The reversal of 340340033406 is 604330043043.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187824720 + ... + 187826531.

It is an arithmetic number, because the mean of its divisors is an integer number (42824242728).

Almost surely, 2^340340033406 is an apocalyptic number.

340340033406 is an abundant number, since it is smaller than the sum of its proper divisors (344847850242).

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

340340033406 is a wasteful number, since it uses less digits than its factorization.

340340033406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375651407.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 340340033406 its reverse (604330043043), we get a palindrome (944670076449).

The spelling of 340340033406 in words is "three hundred forty billion, three hundred forty million, thirty-three thousand, four hundred six".