58078440 has 192 divisors, whose sum is σ = 227260800. Its totient is φ = 12566016.

The previous prime is 58078439. The next prime is 58078451. The reversal of 58078440 is 4487085.

58078440 is a `hidden beast` number, since 580 + 78 + 4 + 4 + 0 = 666.

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 = 58078395 and 58078404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47274 + ... + 48486.

It is an arithmetic number, because the mean of its divisors is an integer number (1183650).

Almost surely, 2^58078440 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 58078440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113630400).

58078440 is an abundant number, since it is smaller than the sum of its proper divisors (169182360).

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

58078440 is a wasteful number, since it uses less digits than its factorization.

58078440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 58078440 is about 7620.9212041590. The cubic root of 58078440 is about 387.2620863547.

The spelling of 58078440 in words is "fifty-eight million, seventy-eight thousand, four hundred forty".