204919024478 has 16 divisors (see below), whose sum is σ = 351318363360. Its totient is φ = 87815287296.

The previous prime is 204919024477. The next prime is 204919024483. The reversal of 204919024478 is 874420919402.

204919024478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204919024477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416051 + ... + 763502.

It is an arithmetic number, because the mean of its divisors is an integer number (21957397710).

Almost surely, 2^204919024478 is an apocalyptic number.

204919024478 is a deficient number, since it is larger than the sum of its proper divisors (146399338882).

204919024478 is a wasteful number, since it uses less digits than its factorization.

204919024478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191971.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 204919024478 in words is "two hundred four billion, nine hundred nineteen million, twenty-four thousand, four hundred seventy-eight".