158475974980 has 12 divisors (see below), whose sum is σ = 332799547500. Its totient is φ = 63390389984.

The previous prime is 158475974957. The next prime is 158475974981. The reversal of 158475974980 is 89479574851.

It can be written as a sum of positive squares in 2 ways, for example, as 69762543876 + 88713431104 = 264126^2 + 297848^2 .

It is a super-4 number, since 4×158475974980⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (158475974981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3961899355 + ... + 3961899394.

It is an arithmetic number, because the mean of its divisors is an integer number (27733295625).

Almost surely, 2^158475974980 is an apocalyptic number.

158475974980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158475974980 is an abundant number, since it is smaller than the sum of its proper divisors (174323572520).

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

158475974980 is a wasteful number, since it uses less digits than its factorization.

158475974980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7923798758 (or 7923798756 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 67.

The spelling of 158475974980 in words is "one hundred fifty-eight billion, four hundred seventy-five million, nine hundred seventy-four thousand, nine hundred eighty".