58158926440 has 72 divisors (see below), whose sum is σ = 139069885590. Its totient is φ = 21885363712.

The previous prime is 58158926401. The next prime is 58158926443. The reversal of 58158926440 is 4462985185.

It can be written as a sum of positive squares in 3 ways, for example, as 56528866564 + 1630059876 = 237758^2 + 40374^2 .

It is not an unprimeable number, because it can be changed into a prime (58158926443) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25927959 + ... + 25930201.

Almost surely, 2^58158926440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58158926440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69534942795).

58158926440 is an abundant number, since it is smaller than the sum of its proper divisors (80910959150).

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

58158926440 is an equidigital number, since it uses as much as digits as its factorization.

58158926440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 58158926440 in words is "fifty-eight billion, one hundred fifty-eight million, nine hundred twenty-six thousand, four hundred forty".