58436021640 has 32 divisors (see below), whose sum is σ = 175308065280. Its totient is φ = 15582939072.

The previous prime is 58436021533. The next prime is 58436021701. The reversal of 58436021640 is 4612063485.

It is a super-2 number, since 2×58436021640² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243483304 + ... + 243483543.

It is an arithmetic number, because the mean of its divisors is an integer number (5478377040).

Almost surely, 2^58436021640 is an apocalyptic number.

It is an amenable number.

58436021640 is an abundant number, since it is smaller than the sum of its proper divisors (116872043640).

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

58436021640 is a wasteful number, since it uses less digits than its factorization.

58436021640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486966861 (or 486966857 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 58436021640 in words is "fifty-eight billion, four hundred thirty-six million, twenty-one thousand, six hundred forty".