60805440 has 168 divisors, whose sum is σ = 214445088. Its totient is φ = 15805440.

The previous prime is 60805427. The next prime is 60805457. The reversal of 60805440 is 4450806.

60805440 is a `hidden beast` number, since 608 + 0 + 54 + 4 + 0 = 666.

60805440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123595 + ... + 124085.

Almost surely, 2^60805440 is an apocalyptic number.

60805440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60805440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107222544).

60805440 is an abundant number, since it is smaller than the sum of its proper divisors (153639648).

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

60805440 is a wasteful number, since it uses less digits than its factorization.

60805440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 60805440 is about 7797.7843006844. The cubic root of 60805440 is about 393.2307562319.

The spelling of 60805440 in words is "sixty million, eight hundred five thousand, four hundred forty".