854226449042 has 6 divisors (see below), whose sum is σ = 1281341634183. Its totient is φ = 427112570982.

The previous prime is 854226449009. The next prime is 854226449071. The reversal of 854226449042 is 240944622458.

It can be written as a sum of positive squares in only one way, i.e., 427113224521 + 427113224521 = 653539^2 + 653539^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=653539.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 980309 + ... + 1633847.

Almost surely, 2^854226449042 is an apocalyptic number.

854226449042 is a deficient number, since it is larger than the sum of its proper divisors (427115185141).

854226449042 is an frugal number, since it uses more digits than its factorization.

854226449042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307080 (or 653541 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 50.

Multiplying 854226449042 by its sum of digits (50), we get a square (42711322452100 = 6535390²).

The spelling of 854226449042 in words is "eight hundred fifty-four billion, two hundred twenty-six million, four hundred forty-nine thousand, forty-two".