84036652240 has 20 divisors (see below), whose sum is σ = 195385216644. Its totient is φ = 33614660864.

The previous prime is 84036652213. The next prime is 84036652333. The reversal of 84036652240 is 4225663048.

It can be written as a sum of positive squares in 2 ways, for example, as 10760327824 + 73276324416 = 103732^2 + 270696^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 84036652193 and 84036652202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525228997 + ... + 525229156.

Almost surely, 2^84036652240 is an apocalyptic number.

84036652240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84036652240 is an abundant number, since it is smaller than the sum of its proper divisors (111348564404).

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

84036652240 is a wasteful number, since it uses less digits than its factorization.

84036652240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050458166 (or 1050458160 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 84036652240 in words is "eighty-four billion, thirty-six million, six hundred fifty-two thousand, two hundred forty".