340342443551 has 8 divisors (see below), whose sum is σ = 374688930000. Its totient is φ = 306563667840.

The previous prime is 340342443509. The next prime is 340342443619. The reversal of 340342443551 is 155344243043.

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

It is a cyclic number.

It is not a de Polignac number, because 340342443551 - 2²² = 340338249247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340342443151) 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, 141926426 + ... + 141928823.

It is an arithmetic number, because the mean of its divisors is an integer number (46836116250).

Almost surely, 2^340342443551 is an apocalyptic number.

340342443551 is a deficient number, since it is larger than the sum of its proper divisors (34346486449).

340342443551 is a wasteful number, since it uses less digits than its factorization.

340342443551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283855369.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 340342443551 its reverse (155344243043), we get a palindrome (495686686594).

The spelling of 340342443551 in words is "three hundred forty billion, three hundred forty-two million, four hundred forty-three thousand, five hundred fifty-one".