58830640 has 40 divisors (see below), whose sum is σ = 149218128. Its totient is φ = 21392640.

The previous prime is 58830599. The next prime is 58830643. The reversal of 58830640 is 4603885.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×58830640² = 6922088405619200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 58830596 and 58830605.

It is not an unprimeable number, because it can be changed into a prime (58830643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32547 + ... + 34306.

Almost surely, 2^58830640 is an apocalyptic number.

It is an amenable number.

58830640 is an abundant number, since it is smaller than the sum of its proper divisors (90387488).

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

58830640 is a wasteful number, since it uses less digits than its factorization.

58830640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66877 (or 66871 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 58830640 is about 7670.1134281052. The cubic root of 58830640 is about 388.9267886268.

The spelling of 58830640 in words is "fifty-eight million, eight hundred thirty thousand, six hundred forty".