58109240 has 128 divisors (see below), whose sum is σ = 157593600. Its totient is φ = 18869760.

The previous prime is 58109237. The next prime is 58109251. The reversal of 58109240 is 4290185.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735521 + ... + 735599.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 2^58109240 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 58109240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78796800).

58109240 is an abundant number, since it is smaller than the sum of its proper divisors (99484360).

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

58109240 is a wasteful number, since it uses less digits than its factorization.

58109240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 58109240 is about 7622.9416894005. The cubic root of 58109240 is about 387.3305315149.

The spelling of 58109240 in words is "fifty-eight million, one hundred nine thousand, two hundred forty".