340361253549 has 12 divisors (see below), whose sum is σ = 503623969212. Its totient is φ = 221373172800.

The previous prime is 340361253511. The next prime is 340361253571. The reversal of 340361253549 is 945352163043.

340361253549 is a `hidden beast` number, since 3 + 40 + 3 + 6 + 12 + 53 + 549 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77481506025 + 262879747524 = 278355^2 + 512718^2 .

It is not a de Polignac number, because 340361253549 - 2⁸ = 340361253293 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340361253049) 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, 461193742 + ... + 461194479.

It is an arithmetic number, because the mean of its divisors is an integer number (41968664101).

Almost surely, 2^340361253549 is an apocalyptic number.

It is an amenable number.

340361253549 is a deficient number, since it is larger than the sum of its proper divisors (163262715663).

340361253549 is a wasteful number, since it uses less digits than its factorization.

340361253549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922388268 (or 922388265 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 340361253549 in words is "three hundred forty billion, three hundred sixty-one million, two hundred fifty-three thousand, five hundred forty-nine".