208454134532 has 24 divisors (see below), whose sum is σ = 416921823360. Its totient is φ = 89334581760.

The previous prime is 208454134531. The next prime is 208454134607. The reversal of 208454134532 is 235431454802.

It is a self number, because there is not a number n which added to its sum of digits gives 208454134532.

It is not an unprimeable number, because it can be changed into a prime (208454134531) 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, 909569 + ... + 1115447.

It is an arithmetic number, because the mean of its divisors is an integer number (17371742640).

Almost surely, 2^208454134532 is an apocalyptic number.

It is an amenable number.

208454134532 is an abundant number, since it is smaller than the sum of its proper divisors (208467688828).

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

208454134532 is a wasteful number, since it uses less digits than its factorization.

208454134532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242051 (or 242049 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 208454134532 in words is "two hundred eight billion, four hundred fifty-four million, one hundred thirty-four thousand, five hundred thirty-two".