86350810042640 has 80 divisors (see below), whose sum is σ = 235864520329536. Its totient is φ = 28984887283200.

The previous prime is 86350810042589. The next prime is 86350810042643. The reversal of 86350810042640 is 4624001805368.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (86350810042643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3774062426 + ... + 3774085305.

Almost surely, 2^{86350810042640} is an apocalyptic number.

86350810042640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86350810042640 is an abundant number, since it is smaller than the sum of its proper divisors (149513710286896).

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

86350810042640 is a wasteful number, since it uses less digits than its factorization.

86350810042640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548147768 (or 7548147762 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 86350810042640 in words is "eighty-six trillion, three hundred fifty billion, eight hundred ten million, forty-two thousand, six hundred forty".