60481440 has 144 divisors (see below), whose sum is σ = 209002248. Its totient is φ = 15925248.

The previous prime is 60481423. The next prime is 60481451. The reversal of 60481440 is 4418406.

60481440 is a `hidden beast` number, since 604 + 8 + 14 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34715664 + 25765776 = 5892^2 + 5076^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139464 + ... + 139896.

Almost surely, 2^60481440 is an apocalyptic number.

60481440 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 60481440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104501124).

60481440 is an abundant number, since it is smaller than the sum of its proper divisors (148520808).

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

60481440 is a wasteful number, since it uses less digits than its factorization.

60481440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 60481440 is about 7776.9814195483. The cubic root of 60481440 is about 392.5310724992.

Adding to 60481440 its reverse (4418406), we get a palindrome (64899846).

The spelling of 60481440 in words is "sixty million, four hundred eighty-one thousand, four hundred forty".