840280089824 has 24 divisors (see below), whose sum is σ = 1890630202608. Its totient is φ = 360120038400.

The previous prime is 840280089799. The next prime is 840280089829. The reversal of 840280089824 is 428980082048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840280089829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875624977 + ... + 1875625424.

It is an arithmetic number, because the mean of its divisors is an integer number (78776258442).

Almost surely, 2^840280089824 is an apocalyptic number.

It is an amenable number.

840280089824 is an abundant number, since it is smaller than the sum of its proper divisors (1050350112784).

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

840280089824 is a wasteful number, since it uses less digits than its factorization.

840280089824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751250418 (or 3751250410 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 53.

The spelling of 840280089824 in words is "eight hundred forty billion, two hundred eighty million, eighty-nine thousand, eight hundred twenty-four".