86444467290 has 48 divisors (see below), whose sum is σ = 226264077000. Its totient is φ = 22897143936.

The previous prime is 86444467289. The next prime is 86444467297. The reversal of 86444467290 is 9276444468.

86444467290 is a `hidden beast` number, since 8 + 6 + 44 + 446 + 72 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 74966987601 + 11477479689 = 273801^2 + 107133^2 .

It is not an unprimeable number, because it can be changed into a prime (86444467297) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3209725 + ... + 3236544.

Almost surely, 2^86444467290 is an apocalyptic number.

86444467290 is an abundant number, since it is smaller than the sum of its proper divisors (139819609710).

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

86444467290 is a wasteful number, since it uses less digits than its factorization.

86444467290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446431 (or 6446428 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 86444467290 in words is "eighty-six billion, four hundred forty-four million, four hundred sixty-seven thousand, two hundred ninety".