840273336 has 48 divisors (see below), whose sum is σ = 2600847600. Its totient is φ = 240077952.

The previous prime is 840273319. The next prime is 840273337. The reversal of 840273336 is 633372048.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 840273336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840273337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833101 + ... + 834108.

It is an arithmetic number, because the mean of its divisors is an integer number (54184325).

Almost surely, 2^840273336 is an apocalyptic number.

It is an amenable number.

840273336 is an abundant number, since it is smaller than the sum of its proper divisors (1760574264).

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

840273336 is a wasteful number, since it uses less digits than its factorization.

840273336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667228 (or 1667221 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 840273336 is about 28987.4686028291. The cubic root of 840273336 is about 943.6411274726.

The spelling of 840273336 in words is "eight hundred forty million, two hundred seventy-three thousand, three hundred thirty-six".