840082488 has 32 divisors (see below), whose sum is σ = 2400236160. Its totient is φ = 240023520.

The previous prime is 840082483. The next prime is 840082499. The reversal of 840082488 is 884280048.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840082483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500078 + ... + 2500413.

It is an arithmetic number, because the mean of its divisors is an integer number (75007380).

Almost surely, 2^840082488 is an apocalyptic number.

It is an amenable number.

840082488 is an abundant number, since it is smaller than the sum of its proper divisors (1560153672).

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

840082488 is a wasteful number, since it uses less digits than its factorization.

840082488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000507 (or 5000503 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 840082488 is about 28984.1765106411. The cubic root of 840082488 is about 943.5696802223.

The spelling of 840082488 in words is "eight hundred forty million, eighty-two thousand, four hundred eighty-eight".