854551420 has 12 divisors (see below), whose sum is σ = 1794558024. Its totient is φ = 341820560.

The previous prime is 854551409. The next prime is 854551421. The reversal of 854551420 is 24155458.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854551421) 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, 21363766 + ... + 21363805.

It is an arithmetic number, because the mean of its divisors is an integer number (149546502).

Almost surely, 2^854551420 is an apocalyptic number.

It is an amenable number.

854551420 is an abundant number, since it is smaller than the sum of its proper divisors (940006604).

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

854551420 is a wasteful number, since it uses less digits than its factorization.

854551420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42727580 (or 42727578 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 854551420 is about 29232.7114719111. The cubic root of 854551420 is about 948.9559795748.

The spelling of 854551420 in words is "eight hundred fifty-four million, five hundred fifty-one thousand, four hundred twenty".