540248499 has 24 divisors (see below), whose sum is σ = 893404512. Its totient is φ = 308171520.

The previous prime is 540248473. The next prime is 540248543. The reversal of 540248499 is 994842045.

540248499 is a `hidden beast` number, since 540 + 24 + 84 + 9 + 9 = 666.

It is not a de Polignac number, because 540248499 - 2¹² = 540244403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540248419) by changing a digit.

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, 30129 + ... + 44589.

It is an arithmetic number, because the mean of its divisors is an integer number (37225188).

Almost surely, 2^540248499 is an apocalyptic number.

540248499 is a deficient number, since it is larger than the sum of its proper divisors (353156013).

540248499 is a wasteful number, since it uses less digits than its factorization.

540248499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067 (or 15064 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 540248499 is about 23243.2463094121. The cubic root of 540248499 is about 814.4501787971.

The spelling of 540248499 in words is "five hundred forty million, two hundred forty-eight thousand, four hundred ninety-nine".