540994392 has 96 divisors (see below), whose sum is σ = 1522759680. Its totient is φ = 173327040.

The previous prime is 540994379. The next prime is 540994397. The reversal of 540994392 is 293499045.

It is a happy number.

540994392 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 not an unprimeable number, because it can be changed into a prime (540994397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363073 + ... + 364559.

It is an arithmetic number, because the mean of its divisors is an integer number (15862080).

Almost surely, 2^540994392 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 540994392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761379840).

540994392 is an abundant number, since it is smaller than the sum of its proper divisors (981765288).

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

540994392 is a wasteful number, since it uses less digits than its factorization.

540994392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 540994392 is about 23259.2861455377. The cubic root of 540994392 is about 814.8248294284.

The spelling of 540994392 in words is "five hundred forty million, nine hundred ninety-four thousand, three hundred ninety-two".