58440016 has 20 divisors (see below), whose sum is σ = 119888532. Its totient is φ = 27501056.

The previous prime is 58440007. The next prime is 58440059. The reversal of 58440016 is 61004485.

It can be written as a sum of positive squares in 2 ways, for example, as 53582400 + 4857616 = 7320^2 + 2204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107155 + ... + 107698.

Almost surely, 2^58440016 is an apocalyptic number.

It is an amenable number.

58440016 is an abundant number, since it is smaller than the sum of its proper divisors (61448516).

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

58440016 is a wasteful number, since it uses less digits than its factorization.

58440016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214878 (or 214872 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 58440016 is about 7644.6069879360. The cubic root of 58440016 is about 388.0640769930.

The spelling of 58440016 in words is "fifty-eight million, four hundred forty thousand, sixteen".