58280840 has 16 divisors (see below), whose sum is σ = 131131980. Its totient is φ = 23312320.

The previous prime is 58280839. The next prime is 58280843. The reversal of 58280840 is 4808285.

58280840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54493924 + 3786916 = 7382^2 + 1946^2 .

It is a super-2 number, since 2×58280840² = 6793312622211200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 58280840.

It is not an unprimeable number, because it can be changed into a prime (58280843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728471 + ... + 728550.

Almost surely, 2^58280840 is an apocalyptic number.

It is an amenable number.

58280840 is an abundant number, since it is smaller than the sum of its proper divisors (72851140).

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

58280840 is a wasteful number, since it uses less digits than its factorization.

58280840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457032 (or 1457028 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 58280840 is about 7634.1888894630. The cubic root of 58280840 is about 387.7114267645.

The spelling of 58280840 in words is "fifty-eight million, two hundred eighty thousand, eight hundred forty".