540454068 has 144 divisors (see below), whose sum is σ = 1712430720. Its totient is φ = 139622400.

The previous prime is 540454009. The next prime is 540454097. The reversal of 540454068 is 860454045.

540454068 is a `hidden beast` number, since 54 + 0 + 4 + 540 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 667648 + ... + 668456.

It is an arithmetic number, because the mean of its divisors is an integer number (11891880).

Almost surely, 2^540454068 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 540454068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856215360).

540454068 is an abundant number, since it is smaller than the sum of its proper divisors (1171976652).

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

540454068 is a wasteful number, since it uses less digits than its factorization.

540454068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 540454068 is about 23247.6680120824. The cubic root of 540454068 is about 814.5534673628.

The spelling of 540454068 in words is "five hundred forty million, four hundred fifty-four thousand, sixty-eight".