855204458 has 8 divisors (see below), whose sum is σ = 1317477252. Its totient is φ = 416045376.

The previous prime is 855204451. The next prime is 855204473. The reversal of 855204458 is 854402558.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 806162449 + 49042009 = 28393^2 + 7003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (855204451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5778335 + ... + 5778482.

Almost surely, 2^855204458 is an apocalyptic number.

855204458 is a deficient number, since it is larger than the sum of its proper divisors (462272794).

855204458 is a wasteful number, since it uses less digits than its factorization.

855204458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11556856.

The product of its (nonzero) digits is 256000, while the sum is 41.

The square root of 855204458 is about 29243.8789834728. The cubic root of 855204458 is about 949.1976449720.

The spelling of 855204458 in words is "eight hundred fifty-five million, two hundred four thousand, four hundred fifty-eight".