340751355215 has 4 divisors (see below), whose sum is σ = 408901626264. Its totient is φ = 272601084168.

The previous prime is 340751355211. The next prime is 340751355227. The reversal of 340751355215 is 512553157043.

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 340751355215 - 2² = 340751355211 is a prime.

It is a super-2 number, since 2×340751355215² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340751355211) 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, 34075135517 + ... + 34075135526.

It is an arithmetic number, because the mean of its divisors is an integer number (102225406566).

Almost surely, 2^340751355215 is an apocalyptic number.

340751355215 is a deficient number, since it is larger than the sum of its proper divisors (68150271049).

340751355215 is an equidigital number, since it uses as much as digits as its factorization.

340751355215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68150271048.

The product of its (nonzero) digits is 315000, while the sum is 41.

The spelling of 340751355215 in words is "three hundred forty billion, seven hundred fifty-one million, three hundred fifty-five thousand, two hundred fifteen".