340120455 has 8 divisors (see below), whose sum is σ = 544192752. Its totient is φ = 181397568.

The previous prime is 340120453. The next prime is 340120457. The reversal of 340120455 is 554021043.

It is an interprime number because it is at equal distance from previous prime (340120453) and next prime (340120457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340120455 - 2¹ = 340120453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340120453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11337334 + ... + 11337363.

It is an arithmetic number, because the mean of its divisors is an integer number (68024094).

Almost surely, 2^340120455 is an apocalyptic number.

340120455 is a deficient number, since it is larger than the sum of its proper divisors (204072297).

340120455 is a wasteful number, since it uses less digits than its factorization.

340120455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22674705.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 340120455 is about 18442.3549201288. The cubic root of 340120455 is about 698.0356184428.

Adding to 340120455 its reverse (554021043), we get a palindrome (894141498).

The spelling of 340120455 in words is "three hundred forty million, one hundred twenty thousand, four hundred fifty-five".