340442135457 has 8 divisors (see below), whose sum is σ = 453927352320. Its totient is φ = 226959171120.

The previous prime is 340442135447. The next prime is 340442135461. The reversal of 340442135457 is 754531244043.

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

It is not a de Polignac number, because 340442135457 - 2⁴ = 340442135441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340442135447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171582 + ... + 842807.

It is an arithmetic number, because the mean of its divisors is an integer number (56740919040).

Almost surely, 2^340442135457 is an apocalyptic number.

It is an amenable number.

340442135457 is a deficient number, since it is larger than the sum of its proper divisors (113485216863).

340442135457 is a wasteful number, since it uses less digits than its factorization.

340442135457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126263.

The product of its (nonzero) digits is 806400, while the sum is 42.

The spelling of 340442135457 in words is "three hundred forty billion, four hundred forty-two million, one hundred thirty-five thousand, four hundred fifty-seven".