842854480 has 40 divisors (see below), whose sum is σ = 2110380552. Its totient is φ = 311207424.

The previous prime is 842854477. The next prime is 842854483. The reversal of 842854480 is 84458248.

It is an interprime number because it is at equal distance from previous prime (842854477) and next prime (842854483).

It can be written as a sum of positive squares in 4 ways, for example, as 2782224 + 840072256 = 1668^2 + 28984^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842854483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404179 + ... + 406258.

Almost surely, 2^842854480 is an apocalyptic number.

842854480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

842854480 is an abundant number, since it is smaller than the sum of its proper divisors (1267526072).

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

842854480 is a wasteful number, since it uses less digits than its factorization.

842854480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810463 (or 810457 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 43.

The square root of 842854480 is about 29031.9561862442. The cubic root of 842854480 is about 944.6063625604.

The spelling of 842854480 in words is "eight hundred forty-two million, eight hundred fifty-four thousand, four hundred eighty".