858352140140 has 72 divisors (see below), whose sum is σ = 2049624727920. Its totient is φ = 301364990080.

The previous prime is 858352140127. The next prime is 858352140179. The reversal of 858352140140 is 41041253858.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6045182 + ... + 6185541.

It is an arithmetic number, because the mean of its divisors is an integer number (28467010110).

Almost surely, 2^858352140140 is an apocalyptic number.

It is an amenable number.

858352140140 is an abundant number, since it is smaller than the sum of its proper divisors (1191272587780).

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

858352140140 is a wasteful number, since it uses less digits than its factorization.

858352140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12230783 (or 12230770 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

Adding to 858352140140 its reverse (41041253858), we get a palindrome (899393393998).

The spelling of 858352140140 in words is "eight hundred fifty-eight billion, three hundred fifty-two million, one hundred forty thousand, one hundred forty".