340242051 has 4 divisors (see below), whose sum is σ = 453656072. Its totient is φ = 226828032.

The previous prime is 340242037. The next prime is 340242137. The reversal of 340242051 is 150242043.

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

It is not a de Polignac number, because 340242051 - 2²⁶ = 273133187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340242031) 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, 56707006 + ... + 56707011.

It is an arithmetic number, because the mean of its divisors is an integer number (113414018).

Almost surely, 2^340242051 is an apocalyptic number.

340242051 is a deficient number, since it is larger than the sum of its proper divisors (113414021).

340242051 is a wasteful number, since it uses less digits than its factorization.

340242051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113414020.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 340242051 is about 18445.6512761138. The cubic root of 340242051 is about 698.1187931190.

Adding to 340242051 its reverse (150242043), we get a palindrome (490484094).

The spelling of 340242051 in words is "three hundred forty million, two hundred forty-two thousand, fifty-one".