158885101440 has 768 divisors, whose sum is σ = 626401339200. Its totient is φ = 36787322880.

The previous prime is 158885101433. The next prime is 158885101477. The reversal of 158885101440 is 44101588851.

158885101440 is a `hidden beast` number, since 1 + 5 + 8 + 88 + 510 + 14 + 40 = 666.

158885101440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 257512012 + ... + 257512628.

Almost surely, 2^158885101440 is an apocalyptic number.

158885101440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158885101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313200669600).

158885101440 is an abundant number, since it is smaller than the sum of its proper divisors (467516237760).

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

158885101440 is a wasteful number, since it uses less digits than its factorization.

158885101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 45.

The spelling of 158885101440 in words is "one hundred fifty-eight billion, eight hundred eighty-five million, one hundred one thousand, four hundred forty".