83535040724220 has 72 divisors (see below), whose sum is σ = 253391451977664. Its totient is φ = 22275850117248.

The previous prime is 83535040724171. The next prime is 83535040724243. The reversal of 83535040724220 is 2242704053538.

83535040724220 is a `hidden beast` number, since 8 + 3 + 5 + 350 + 4 + 0 + 72 + 4 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24470482 + ... + 27674438.

It is an arithmetic number, because the mean of its divisors is an integer number (3519325721912).

Almost surely, 2^{83535040724220} is an apocalyptic number.

It is an amenable number.

83535040724220 is an abundant number, since it is smaller than the sum of its proper divisors (169856411253444).

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

83535040724220 is a wasteful number, since it uses less digits than its factorization.

83535040724220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348819 (or 3348814 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

Adding to 83535040724220 its reverse (2242704053538), we get a palindrome (85777744777758).

The spelling of 83535040724220 in words is "eighty-three trillion, five hundred thirty-five billion, forty million, seven hundred twenty-four thousand, two hundred twenty".