204426622040 has 32 divisors (see below), whose sum is σ = 465782184000. Its totient is φ = 80735576064.

The previous prime is 204426621989. The next prime is 204426622051. The reversal of 204426622040 is 40226624402.

204426622040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204426621988 and 204426622006.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 32342825 + ... + 32349144.

It is an arithmetic number, because the mean of its divisors is an integer number (14555693250).

Almost surely, 2^204426622040 is an apocalyptic number.

204426622040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204426622040 is an abundant number, since it is smaller than the sum of its proper divisors (261355561960).

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

204426622040 is a wasteful number, since it uses less digits than its factorization.

204426622040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64692059 (or 64692055 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 204426622040 in words is "two hundred four billion, four hundred twenty-six million, six hundred twenty-two thousand, forty".