354216642318 has 48 divisors (see below), whose sum is σ = 956844959616. Its totient is φ = 92004322320.

The previous prime is 354216642313. The next prime is 354216642347. The reversal of 354216642318 is 813246612453.

354216642318 is a `hidden beast` number, since 3 + 5 + 4 + 216 + 6 + 423 + 1 + 8 = 666.

It is a super-3 number, since 3×354216642318³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354216642313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127782396 + ... + 127785167.

It is an arithmetic number, because the mean of its divisors is an integer number (19934269992).

Almost surely, 2^354216642318 is an apocalyptic number.

354216642318 is an abundant number, since it is smaller than the sum of its proper divisors (602628317298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354216642318 is a wasteful number, since it uses less digits than its factorization.

354216642318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255567589 (or 255567586 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 354216642318 in words is "three hundred fifty-four billion, two hundred sixteen million, six hundred forty-two thousand, three hundred eighteen".