340327261557 has 16 divisors (see below), whose sum is σ = 526109777280. Its totient is φ = 217020282336.

The previous prime is 340327261517. The next prime is 340327261579. The reversal of 340327261557 is 755162723043.

340327261557 is a `hidden beast` number, since 3 + 4 + 0 + 3 + 27 + 2 + 615 + 5 + 7 = 666.

It is not a de Polignac number, because 340327261557 - 2⁷ = 340327261429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340327261507) 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 15 ways as a sum of consecutive naturals, for example, 274014888 + ... + 274016129.

It is an arithmetic number, because the mean of its divisors is an integer number (32881861080).

Almost surely, 2^340327261557 is an apocalyptic number.

It is an amenable number.

340327261557 is a deficient number, since it is larger than the sum of its proper divisors (185782515723).

340327261557 is a wasteful number, since it uses less digits than its factorization.

340327261557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548031049 (or 548031043 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 340327261557 in words is "three hundred forty billion, three hundred twenty-seven million, two hundred sixty-one thousand, five hundred fifty-seven".