340389077545 has 8 divisors (see below), whose sum is σ = 445600247040. Its totient is φ = 247555692720.

The previous prime is 340389077477. The next prime is 340389077549. The reversal of 340389077545 is 545770983043.

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

It is not a de Polignac number, because 340389077545 - 2⁹ = 340389077033 is a prime.

It is a super-2 number, since 2×340389077545² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 6188892319 = 340389077545 / (3 + 4 + 0 + 3 + 8 + 9 + 0 + 7 + 7 + 5 + 4 + 5).

It is not an unprimeable number, because it can be changed into a prime (340389077549) 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, 3094446105 + ... + 3094446214.

It is an arithmetic number, because the mean of its divisors is an integer number (55700030880).

Almost surely, 2^340389077545 is an apocalyptic number.

It is an amenable number.

340389077545 is a deficient number, since it is larger than the sum of its proper divisors (105211169495).

340389077545 is a wasteful number, since it uses less digits than its factorization.

340389077545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188892335.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 340389077545 in words is "three hundred forty billion, three hundred eighty-nine million, seventy-seven thousand, five hundred forty-five".