158227319040 has 432 divisors, whose sum is σ = 591841998720. Its totient is φ = 35920281600.

The previous prime is 158227319011. The next prime is 158227319101. The reversal of 158227319040 is 40913722851.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 158227318983 and 158227319001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28409376 + ... + 28414944.

Almost surely, 2^158227319040 is an apocalyptic number.

158227319040 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 158227319040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295920999360).

158227319040 is an abundant number, since it is smaller than the sum of its proper divisors (433614679680).

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

158227319040 is a wasteful number, since it uses less digits than its factorization.

158227319040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758 (or 5737 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 158227319040 in words is "one hundred fifty-eight billion, two hundred twenty-seven million, three hundred nineteen thousand, forty".