801805455 has 48 divisors (see below), whose sum is σ = 1519689600. Its totient is φ = 387844800.

The previous prime is 801805441. The next prime is 801805489. The reversal of 801805455 is 554508108.

It is not a de Polignac number, because 801805455 - 2⁴ = 801805439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241396 + ... + 244694.

It is an arithmetic number, because the mean of its divisors is an integer number (31660200).

Almost surely, 2^801805455 is an apocalyptic number.

801805455 is a deficient number, since it is larger than the sum of its proper divisors (717884145).

801805455 is a wasteful number, since it uses less digits than its factorization.

801805455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 801805455 is about 28316.1694973031. The cubic root of 801805455 is about 929.0155903457.

The spelling of 801805455 in words is "eight hundred one million, eight hundred five thousand, four hundred fifty-five".