840435033245 has 16 divisors (see below), whose sum is σ = 1034171373312. Its totient is φ = 655281843840.

The previous prime is 840435033233. The next prime is 840435033259. The reversal of 840435033245 is 542330534048.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-840435033245 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883777 + ... + 2286806.

It is an arithmetic number, because the mean of its divisors is an integer number (64635710832).

Almost surely, 2^840435033245 is an apocalyptic number.

It is an amenable number.

840435033245 is a deficient number, since it is larger than the sum of its proper divisors (193736340067).

840435033245 is a wasteful number, since it uses less digits than its factorization.

840435033245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171612.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 840435033245 in words is "eight hundred forty billion, four hundred thirty-five million, thirty-three thousand, two hundred forty-five".