86194330440 has 32 divisors (see below), whose sum is σ = 258582991680. Its totient is φ = 22985154752.

The previous prime is 86194330429. The next prime is 86194330441. The reversal of 86194330440 is 4403349168.

It is a junction number, because it is equal to n+sod(n) for n = 86194330392 and 86194330401.

It is not an unprimeable number, because it can be changed into a prime (86194330441) 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, 359142924 + ... + 359143163.

It is an arithmetic number, because the mean of its divisors is an integer number (8080718490).

Almost surely, 2^86194330440 is an apocalyptic number.

It is an amenable number.

86194330440 is an abundant number, since it is smaller than the sum of its proper divisors (172388661240).

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

86194330440 is a wasteful number, since it uses less digits than its factorization.

86194330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718286101 (or 718286097 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 86194330440 in words is "eighty-six billion, one hundred ninety-four million, three hundred thirty thousand, four hundred forty".