58185040 has 20 divisors (see below), whose sum is σ = 135280404. Its totient is φ = 23273984.

The previous prime is 58185037. The next prime is 58185041. The reversal of 58185040 is 4058185.

It can be written as a sum of positive squares in 2 ways, for example, as 7376656 + 50808384 = 2716^2 + 7128^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 58184993 and 58185011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58185041) 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, 363577 + ... + 363736.

Almost surely, 2^58185040 is an apocalyptic number.

It is an amenable number.

58185040 is an abundant number, since it is smaller than the sum of its proper divisors (77095364).

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

58185040 is a wasteful number, since it uses less digits than its factorization.

58185040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727326 (or 727320 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 58185040 is about 7627.9119030046. The cubic root of 58185040 is about 387.4988747799.

The spelling of 58185040 in words is "fifty-eight million, one hundred eighty-five thousand, forty".