340465555 has 4 divisors (see below), whose sum is σ = 408558672. Its totient is φ = 272372440.

The previous prime is 340465513. The next prime is 340465561. The reversal of 340465555 is 555564043.

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

It is not a de Polignac number, because 340465555 - 2⁹ = 340465043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34046551 + ... + 34046560.

It is an arithmetic number, because the mean of its divisors is an integer number (102139668).

Almost surely, 2^340465555 is an apocalyptic number.

340465555 is a deficient number, since it is larger than the sum of its proper divisors (68093117).

340465555 is an equidigital number, since it uses as much as digits as its factorization.

340465555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68093116.

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 340465555 is about 18451.7087284620. The cubic root of 340465555 is about 698.2716237181.

It can be divided in two parts, 34046 and 5555, that added together give a square (39601 = 199²).

The spelling of 340465555 in words is "three hundred forty million, four hundred sixty-five thousand, five hundred fifty-five".