58020240 has 80 divisors (see below), whose sum is σ = 181166976. Its totient is φ = 15360000.

The previous prime is 58020223. The next prime is 58020247. The reversal of 58020240 is 4202085.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58020247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35440 + ... + 37040.

Almost surely, 2^58020240 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 58020240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90583488).

58020240 is an abundant number, since it is smaller than the sum of its proper divisors (123146736).

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

58020240 is a wasteful number, since it uses less digits than its factorization.

58020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 58020240 is about 7617.1018110565. The cubic root of 58020240 is about 387.1326855752.

The spelling of 58020240 in words is "fifty-eight million, twenty thousand, two hundred forty".