840229533 has 48 divisors (see below), whose sum is σ = 1500932160. Its totient is φ = 445305600.

The previous prime is 840229531. The next prime is 840229601. The reversal of 840229533 is 335922048.

It is not a de Polignac number, because 840229533 - 2¹ = 840229531 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840229531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7273 + ... + 41633.

It is an arithmetic number, because the mean of its divisors is an integer number (31269420).

Almost surely, 2^840229533 is an apocalyptic number.

It is an amenable number.

840229533 is a deficient number, since it is larger than the sum of its proper divisors (660702627).

840229533 is a wasteful number, since it uses less digits than its factorization.

840229533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34410 (or 34407 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 840229533 is about 28986.7130423579. The cubic root of 840229533 is about 943.6247300185.

The spelling of 840229533 in words is "eight hundred forty million, two hundred twenty-nine thousand, five hundred thirty-three".