58428540 has 60 divisors (see below), whose sum is σ = 183297576. Its totient is φ = 15580512.

The previous prime is 58428499. The next prime is 58428563. The reversal of 58428540 is 4582485.

58428540 is a `hidden beast` number, since 584 + 28 + 54 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 58428495 and 58428504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16414 + ... + 19653.

Almost surely, 2^58428540 is an apocalyptic number.

It is an amenable number.

58428540 is an abundant number, since it is smaller than the sum of its proper divisors (124869036).

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

58428540 is a wasteful number, since it uses less digits than its factorization.

58428540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36088 (or 36077 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 58428540 is about 7643.8563565781. The cubic root of 58428540 is about 388.0386736525.

The spelling of 58428540 in words is "fifty-eight million, four hundred twenty-eight thousand, five hundred forty".