86224742440436 has 24 divisors (see below), whose sum is σ = 153368066539464. Its totient is φ = 42405305057280.

The previous prime is 86224742440433. The next prime is 86224742440457. The reversal of 86224742440436 is 63404424742268.

86224742440436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2185353150436 + 84039389290000 = 1478294^2 + 9167300^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86224742440433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34684436 + ... + 37087188.

It is an arithmetic number, because the mean of its divisors is an integer number (6390336105811).

Almost surely, 2^{86224742440436} is an apocalyptic number.

It is an amenable number.

86224742440436 is a deficient number, since it is larger than the sum of its proper divisors (67143324099028).

86224742440436 is a wasteful number, since it uses less digits than its factorization.

86224742440436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549891 (or 2549889 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 56.

The spelling of 86224742440436 in words is "eighty-six trillion, two hundred twenty-four billion, seven hundred forty-two million, four hundred forty thousand, four hundred thirty-six".