340055121442 has 8 divisors (see below), whose sum is σ = 518444693532. Its totient is φ = 167240223600.

The previous prime is 340055121319. The next prime is 340055121443. The reversal of 340055121442 is 244121550043.

It can be written as a sum of positive squares in 2 ways, for example, as 238064950561 + 101990170881 = 487919^2 + 319359^2 .

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

It is not an unprimeable number, because it can be changed into a prime (340055121443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393668409 + ... + 1393668652.

Almost surely, 2^340055121442 is an apocalyptic number.

340055121442 is a deficient number, since it is larger than the sum of its proper divisors (178389572090).

340055121442 is a wasteful number, since it uses less digits than its factorization.

340055121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787337124.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 340055121442 its reverse (244121550043), we get a palindrome (584176671485).

The spelling of 340055121442 in words is "three hundred forty billion, fifty-five million, one hundred twenty-one thousand, four hundred forty-two".