840480888 has 32 divisors (see below), whose sum is σ = 2262834000. Its totient is φ = 258609408.

The previous prime is 840480869. The next prime is 840480911. The reversal of 840480888 is 888084048.

It is a congruent number.

It is an unprimeable number.

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, 1346613 + ... + 1347236.

Almost surely, 2^840480888 is an apocalyptic number.

It is an amenable number.

840480888 is an abundant number, since it is smaller than the sum of its proper divisors (1422353112).

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

840480888 is a wasteful number, since it uses less digits than its factorization.

840480888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693871 (or 2693867 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 48.

The square root of 840480888 is about 28991.0484115356. The cubic root of 840480888 is about 943.7188158753.

The spelling of 840480888 in words is "eight hundred forty million, four hundred eighty thousand, eight hundred eighty-eight".