340691785026 has 8 divisors (see below), whose sum is σ = 681383570064. Its totient is φ = 113563928340.

The previous prime is 340691785009. The next prime is 340691785069. The reversal of 340691785026 is 620587196043.

It is a sphenic number, since it is the product of 3 distinct primes.

340691785026 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 340691785026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28390982080 + ... + 28390982091.

It is an arithmetic number, because the mean of its divisors is an integer number (85172946258).

It is a 1-persistent number, because it is pandigital, but 2⋅340691785026 = 681383570052 is not.

Almost surely, 2^340691785026 is an apocalyptic number.

340691785026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

340691785026 is a wasteful number, since it uses less digits than its factorization.

340691785026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56781964176.

The product of its (nonzero) digits is 2177280, while the sum is 51.

It can be divided in two parts, 3406917 and 85026, that added together give a palindrome (3491943).

The spelling of 340691785026 in words is "three hundred forty billion, six hundred ninety-one million, seven hundred eighty-five thousand, twenty-six".