58423640 has 48 divisors (see below), whose sum is σ = 144501840. Its totient is φ = 21243200.

The previous prime is 58423621. The next prime is 58423643. The reversal of 58423640 is 4632485.

It is a junction number, because it is equal to n+sod(n) for n = 58423597 and 58423606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58423643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1196 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (3010455).

Almost surely, 2^58423640 is an apocalyptic number.

It is an amenable number.

58423640 is an abundant number, since it is smaller than the sum of its proper divisors (86078200).

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

58423640 is a wasteful number, since it uses less digits than its factorization.

58423640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12104 (or 12089 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 58423640 is about 7643.5358310143. The cubic root of 58423640 is about 388.0278259705.

The spelling of 58423640 in words is "fifty-eight million, four hundred twenty-three thousand, six hundred forty".