340657752055 has 4 divisors (see below), whose sum is σ = 408789302472. Its totient is φ = 272526201640.

The previous prime is 340657752037. The next prime is 340657752059. The reversal of 340657752055 is 550257756043.

It is a happy number.

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

It is not a de Polignac number, because 340657752055 - 2²¹ = 340655654903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340657752059) 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, 34065775201 + ... + 34065775210.

It is an arithmetic number, because the mean of its divisors is an integer number (102197325618).

Almost surely, 2^340657752055 is an apocalyptic number.

340657752055 is a deficient number, since it is larger than the sum of its proper divisors (68131550417).

340657752055 is an equidigital number, since it uses as much as digits as its factorization.

340657752055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68131550416.

The product of its (nonzero) digits is 4410000, while the sum is 49.

The spelling of 340657752055 in words is "three hundred forty billion, six hundred fifty-seven million, seven hundred fifty-two thousand, fifty-five".