352668451878 has 64 divisors (see below), whose sum is σ = 803375677440. Its totient is φ = 114609902400.

The previous prime is 352668451787. The next prime is 352668451937. The reversal of 352668451878 is 878154866253.

352668451878 is a `hidden beast` number, since 3 + 52 + 6 + 68 + 4 + 518 + 7 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3202651 + ... + 3310937.

It is an arithmetic number, because the mean of its divisors is an integer number (12552744960).

Almost surely, 2^352668451878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352668451878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401687838720).

352668451878 is an abundant number, since it is smaller than the sum of its proper divisors (450707225562).

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

352668451878 is a wasteful number, since it uses less digits than its factorization.

352668451878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109810 (or 109804 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

It can be divided in two parts, 352668 and 451878, that added together give a triangular number (804546 = T₁₂₆₈).

The spelling of 352668451878 in words is "three hundred fifty-two billion, six hundred sixty-eight million, four hundred fifty-one thousand, eight hundred seventy-eight".