204457318494 has 32 divisors (see below), whose sum is σ = 480403211904. Its totient is φ = 57190858080.

The previous prime is 204457318447. The next prime is 204457318529. The reversal of 204457318494 is 494813754402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119146764 + ... + 119148479.

It is an arithmetic number, because the mean of its divisors is an integer number (15012600372).

Almost surely, 2^204457318494 is an apocalyptic number.

204457318494 is an abundant number, since it is smaller than the sum of its proper divisors (275945893410).

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

204457318494 is a wasteful number, since it uses less digits than its factorization.

204457318494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238295272.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 204457318494 in words is "two hundred four billion, four hundred fifty-seven million, three hundred eighteen thousand, four hundred ninety-four".