340289129853 has 12 divisors (see below), whose sum is σ = 492057849660. Its totient is φ = 226615216896.

The previous prime is 340289129837. The next prime is 340289129881. The reversal of 340289129853 is 358921982043.

340289129853 is a `hidden beast` number, since 340 + 2 + 8 + 9 + 1 + 298 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31834410084 + 308454719769 = 178422^2 + 555387^2 .

It is not a de Polignac number, because 340289129853 - 2⁴ = 340289129837 is a prime.

It is a super-2 number, since 2×340289129853² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340289129853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340289129893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20341426 + ... + 20358147.

It is an arithmetic number, because the mean of its divisors is an integer number (41004820805).

Almost surely, 2^340289129853 is an apocalyptic number.

It is an amenable number.

340289129853 is a deficient number, since it is larger than the sum of its proper divisors (151768719807).

340289129853 is a wasteful number, since it uses less digits than its factorization.

340289129853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40700508 (or 40700505 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 340289129853 in words is "three hundred forty billion, two hundred eighty-nine million, one hundred twenty-nine thousand, eight hundred fifty-three".