853405042 has 16 divisors (see below), whose sum is σ = 1463516352. Its totient is φ = 365610960.

The previous prime is 853405031. The next prime is 853405043. The reversal of 853405042 is 240504358.

It is a super-2 number, since 2×853405042² = 1456600331422043528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 853404995 and 853405013.

It is not an unprimeable number, because it can be changed into a prime (853405043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34953 + ... + 54115.

It is an arithmetic number, because the mean of its divisors is an integer number (91469772).

Almost surely, 2^853405042 is an apocalyptic number.

853405042 is a deficient number, since it is larger than the sum of its proper divisors (610111310).

853405042 is a wasteful number, since it uses less digits than its factorization.

853405042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22353.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 853405042 is about 29213.0970970214. The cubic root of 853405042 is about 948.5314492111.

The spelling of 853405042 in words is "eight hundred fifty-three million, four hundred five thousand, forty-two".