86650502144440 has 48 divisors (see below), whose sum is σ = 211114463081400. Its totient is φ = 31994031558528.

The previous prime is 86650502144413. The next prime is 86650502144441. The reversal of 86650502144440 is 4444120505668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86650502144441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6409054050 + ... + 6409067569.

Almost surely, 2^{86650502144440} is an apocalyptic number.

It is an amenable number.

86650502144440 is an abundant number, since it is smaller than the sum of its proper divisors (124463960936960).

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

86650502144440 is a wasteful number, since it uses less digits than its factorization.

86650502144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12818121656 (or 12818121639 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 49.

The spelling of 86650502144440 in words is "eighty-six trillion, six hundred fifty billion, five hundred two million, one hundred forty-four thousand, four hundred forty".