340144444249 has 8 divisors (see below), whose sum is σ = 358065109440. Its totient is φ = 322225611696.

The previous prime is 340144444201. The next prime is 340144444267. The reversal of 340144444249 is 942444441043.

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

It is a cyclic number.

It is not a de Polignac number, because 340144444249 - 2¹⁹ = 340143919961 is a prime.

It is a super-2 number, since 2×340144444249² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340144444279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68677 + ... + 827650.

It is an arithmetic number, because the mean of its divisors is an integer number (44758138680).

Almost surely, 2^340144444249 is an apocalyptic number.

It is an amenable number.

340144444249 is a deficient number, since it is larger than the sum of its proper divisors (17920665191).

340144444249 is a wasteful number, since it uses less digits than its factorization.

340144444249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916319.

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 340144444249 in words is "three hundred forty billion, one hundred forty-four million, four hundred forty-four thousand, two hundred forty-nine".