340090755387 has 4 divisors (see below), whose sum is σ = 453454340520. Its totient is φ = 226727170256.

The previous prime is 340090755373. The next prime is 340090755457. The reversal of 340090755387 is 783557090043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340090755387 - 2⁴ = 340090755371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340090765387) 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, 56681792562 + ... + 56681792567.

It is an arithmetic number, because the mean of its divisors is an integer number (113363585130).

Almost surely, 2^340090755387 is an apocalyptic number.

340090755387 is a deficient number, since it is larger than the sum of its proper divisors (113363585133).

340090755387 is a wasteful number, since it uses less digits than its factorization.

340090755387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113363585132.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 340090755387 in words is "three hundred forty billion, ninety million, seven hundred fifty-five thousand, three hundred eighty-seven".