340058336557 has 4 divisors (see below), whose sum is σ = 340306013340. Its totient is φ = 339810659776.

The previous prime is 340058336551. The next prime is 340058336581. The reversal of 340058336557 is 755633850043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 755633850043 = 6143 ⋅123007301.

It can be written as a sum of positive squares in 2 ways, for example, as 330080124676 + 9978211881 = 574526^2 + 99891^2 .

It is a cyclic number.

It is not a de Polignac number, because 340058336557 - 2²⁷ = 339924118829 is a prime.

It is a super-2 number, since 2×340058336557² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340058336557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340058336551) 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, 123836332 + ... + 123839077.

It is an arithmetic number, because the mean of its divisors is an integer number (85076503335).

Almost surely, 2^340058336557 is an apocalyptic number.

It is an amenable number.

340058336557 is a deficient number, since it is larger than the sum of its proper divisors (247676783).

340058336557 is a wasteful number, since it uses less digits than its factorization.

340058336557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247676782.

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 340058336557 in words is "three hundred forty billion, fifty-eight million, three hundred thirty-six thousand, five hundred fifty-seven".