840325286480 has 40 divisors (see below), whose sum is σ = 1971046190952. Its totient is φ = 333155508224.

The previous prime is 840325286477. The next prime is 840325286527. The reversal of 840325286480 is 84682523048.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 785568784 + 839539717696 = 28028^2 + 916264^2 .

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

It is a super-2 number, since 2×840325286480² (a number of 25 digits) 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 7 ways as a sum of consecutive naturals, for example, 46469129 + ... + 46487208.

Almost surely, 2^840325286480 is an apocalyptic number.

840325286480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

840325286480 is an abundant number, since it is smaller than the sum of its proper divisors (1130720904472).

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

840325286480 is a wasteful number, since it uses less digits than its factorization.

840325286480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92956463 (or 92956457 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 840325286480 in words is "eight hundred forty billion, three hundred twenty-five million, two hundred eighty-six thousand, four hundred eighty".