158023405440000 has 1540 divisors, whose sum is σ = 593873850741864. Its totient is φ = 41994878976000.

The previous prime is 158023405439989. The next prime is 158023405440059. The reversal of 158023405440000 is 44504320851.

It is a happy number.

158023405440000 is a `hidden beast` number, since 1 + 5 + 80 + 2 + 34 + 0 + 544 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 269205119707 + ... + 269205120293.

Almost surely, 2^{158023405440000} is an apocalyptic number.

158023405440000 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 158023405440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296936925370932).

158023405440000 is an abundant number, since it is smaller than the sum of its proper divisors (435850445301864).

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

158023405440000 is an frugal number, since it uses more digits than its factorization.

158023405440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 158023405440000 its reverse (44504320851), we get a palindrome (158067909760851).

The spelling of 158023405440000 in words is "one hundred fifty-eight trillion, twenty-three billion, four hundred five million, four hundred forty thousand".