58981440 has 224 divisors, whose sum is σ = 218870784. Its totient is φ = 13178880.

The previous prime is 58981427. The next prime is 58981451. The reversal of 58981440 is 4418985.

It is a tau number, because it is divible by the number of its divisors (224).

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, 450175 + ... + 450305.

Almost surely, 2^58981440 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 58981440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109435392).

58981440 is an abundant number, since it is smaller than the sum of its proper divisors (159889344).

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

58981440 is a wasteful number, since it uses less digits than its factorization.

58981440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 58981440 is about 7679.9374997457. The cubic root of 58981440 is about 389.2588158295.

The spelling of 58981440 in words is "fifty-eight million, nine hundred eighty-one thousand, four hundred forty".