158955229440 has 360 divisors, whose sum is σ = 650026829760. Its totient is φ = 36332457984.

The previous prime is 158955229427. The next prime is 158955229441. The reversal of 158955229440 is 44922559851.

158955229440 is a `hidden beast` number, since 1 + 5 + 89 + 552 + 2 + 9 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (158955229441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 616251 + ... + 835269.

Almost surely, 2^158955229440 is an apocalyptic number.

158955229440 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 158955229440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325013414880).

158955229440 is an abundant number, since it is smaller than the sum of its proper divisors (491071600320).

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

158955229440 is an equidigital number, since it uses as much as digits as its factorization.

158955229440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219059 (or 219036 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 158955229440 in words is "one hundred fifty-eight billion, nine hundred fifty-five million, two hundred twenty-nine thousand, four hundred forty".