855020942 has 8 divisors (see below), whose sum is σ = 1282827000. Its totient is φ = 427411944.

The previous prime is 855020939. The next prime is 855020981. The reversal of 855020942 is 249020558.

It is a happy number.

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

It is a super-2 number, since 2×855020942² = 1462121622517134728, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 37892 + ... + 56087.

It is an arithmetic number, because the mean of its divisors is an integer number (160353375).

Almost surely, 2^855020942 is an apocalyptic number.

855020942 is a deficient number, since it is larger than the sum of its proper divisors (427806058).

855020942 is a wasteful number, since it uses less digits than its factorization.

855020942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98530.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 855020942 is about 29240.7411328783. The cubic root of 855020942 is about 949.1297448675.

It can be divided in two parts, 8550 and 20942, that added together give a palindrome (29492).

The spelling of 855020942 in words is "eight hundred fifty-five million, twenty thousand, nine hundred forty-two".