235416821426856 has 64 divisors (see below), whose sum is σ = 655876077043200. Its totient is φ = 78239418372864.

The previous prime is 235416821426849. The next prime is 235416821426921. The reversal of 235416821426856 is 658624128614532.

235416821426856 is a `hidden beast` number, since 2 + 3 + 54 + 1 + 6 + 82 + 1 + 426 + 85 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 235416821426793 and 235416821426802.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1616978680 + ... + 1617124263.

It is an arithmetic number, because the mean of its divisors is an integer number (10248063703800).

Almost surely, 2^{235416821426856} is an apocalyptic number.

It is an amenable number.

235416821426856 is an abundant number, since it is smaller than the sum of its proper divisors (420459255616344).

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

235416821426856 is a wasteful number, since it uses less digits than its factorization.

235416821426856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234103295 (or 3234103285 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 63.

The spelling of 235416821426856 in words is "two hundred thirty-five trillion, four hundred sixteen billion, eight hundred twenty-one million, four hundred twenty-six thousand, eight hundred fifty-six".