340778519226 has 16 divisors (see below), whose sum is σ = 757285598400. Its totient is φ = 113592839724.

The previous prime is 340778519173. The next prime is 340778519251. The reversal of 340778519226 is 622915877043.

It is a happy number.

340778519226 is a `hidden beast` number, since 3 + 407 + 7 + 8 + 5 + 1 + 9 + 226 = 666.

It is a super-2 number, since 2×340778519226² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 6310713319 = 340778519226 / (3 + 4 + 0 + 7 + 7 + 8 + 5 + 1 + 9 + 2 + 2 + 6).

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, 3155356606 + ... + 3155356713.

It is an arithmetic number, because the mean of its divisors is an integer number (47330349900).

It is a 1-persistent number, because it is pandigital, but 2⋅340778519226 = 681557038452 is not.

Almost surely, 2^340778519226 is an apocalyptic number.

340778519226 is an abundant number, since it is smaller than the sum of its proper divisors (416507079174).

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

340778519226 is a wasteful number, since it uses less digits than its factorization.

340778519226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310713330 (or 6310713324 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 340778519226 in words is "three hundred forty billion, seven hundred seventy-eight million, five hundred nineteen thousand, two hundred twenty-six".