840605088 has 48 divisors (see below), whose sum is σ = 2214457056. Its totient is φ = 279202560.

The previous prime is 840605053. The next prime is 840605099. The reversal of 840605088 is 880506048.

It is a tau number, because it is divible by the number of its divisors (48).

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, 11698 + ... + 42638.

It is an arithmetic number, because the mean of its divisors is an integer number (46134522).

Almost surely, 2^840605088 is an apocalyptic number.

It is an amenable number.

840605088 is an abundant number, since it is smaller than the sum of its proper divisors (1373851968).

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

840605088 is a wasteful number, since it uses less digits than its factorization.

840605088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31237 (or 31229 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 840605088 is about 28993.1903729134. The cubic root of 840605088 is about 943.7652988295.

The spelling of 840605088 in words is "eight hundred forty million, six hundred five thousand, eighty-eight".