340750840057 has 2 divisors, whose sum is σ = 340750840058. Its totient is φ = 340750840056.

The previous prime is 340750840009. The next prime is 340750840099. The reversal of 340750840057 is 750048057043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217514035456 + 123236804601 = 466384^2 + 351051^2 .

It is an emirp because it is prime and its reverse (750048057043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340750840057 - 2²³ = 340742451449 is a prime.

It is a super-2 number, since 2×340750840057² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340750839995 and 340750840022.

It is not a weakly prime, because it can be changed into another prime (340750840357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170375420028 + 170375420029.

It is an arithmetic number, because the mean of its divisors is an integer number (170375420029).

Almost surely, 2^340750840057 is an apocalyptic number.

It is an amenable number.

340750840057 is a deficient number, since it is larger than the sum of its proper divisors (1).

340750840057 is an equidigital number, since it uses as much as digits as its factorization.

340750840057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 340750840057 in words is "three hundred forty billion, seven hundred fifty million, eight hundred forty thousand, fifty-seven".