340040455413 has 8 divisors (see below), whose sum is σ = 453394685568. Its totient is φ = 226689931104.

The previous prime is 340040455411. The next prime is 340040455439. The reversal of 340040455413 is 314554040043.

It is a happy number.

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

It is not a de Polignac number, because 340040455413 - 2¹ = 340040455411 is a prime.

It is a super-2 number, since 2×340040455413² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340040455411) 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, 704781 + ... + 1084802.

It is an arithmetic number, because the mean of its divisors is an integer number (56674335696).

Almost surely, 2^340040455413 is an apocalyptic number.

It is an amenable number.

340040455413 is a deficient number, since it is larger than the sum of its proper divisors (113354230155).

340040455413 is a wasteful number, since it uses less digits than its factorization.

340040455413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852923.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 340040455413 its reverse (314554040043), we get a palindrome (654594495456).

The spelling of 340040455413 in words is "three hundred forty billion, forty million, four hundred fifty-five thousand, four hundred thirteen".