340217172254 has 8 divisors (see below), whose sum is σ = 515378488968. Its totient is φ = 168424342600.

The previous prime is 340217172209. The next prime is 340217172271. The reversal of 340217172254 is 452271712043.

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

It is a congruent 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, 842121512 + ... + 842121915.

It is an arithmetic number, because the mean of its divisors is an integer number (64422311121).

Almost surely, 2^340217172254 is an apocalyptic number.

340217172254 is a deficient number, since it is larger than the sum of its proper divisors (175161316714).

340217172254 is a wasteful number, since it uses less digits than its factorization.

340217172254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684243530.

The product of its (nonzero) digits is 94080, while the sum is 38.

Adding to 340217172254 its reverse (452271712043), we get a palindrome (792488884297).

The spelling of 340217172254 in words is "three hundred forty billion, two hundred seventeen million, one hundred seventy-two thousand, two hundred fifty-four".