158840488890 has 320 divisors, whose sum is σ = 467572621824. Its totient is φ = 38534510592.

The previous prime is 158840488871. The next prime is 158840488913. The reversal of 158840488890 is 98884048851.

158840488890 is a `hidden beast` number, since 1 + 588 + 4 + 0 + 48 + 8 + 8 + 9 + 0 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 53715292 + ... + 53718248.

Almost surely, 2^158840488890 is an apocalyptic number.

158840488890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158840488890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233786310912).

158840488890 is an abundant number, since it is smaller than the sum of its proper divisors (308732132934).

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

158840488890 is a wasteful number, since it uses less digits than its factorization.

158840488890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 63.

The spelling of 158840488890 in words is "one hundred fifty-eight billion, eight hundred forty million, four hundred eighty-eight thousand, eight hundred ninety".