540019847 has 12 divisors (see below), whose sum is σ = 556901856. Its totient is φ = 523635840.

The previous prime is 540019819. The next prime is 540019849. The reversal of 540019847 is 748910045.

It is not a de Polignac number, because 540019847 - 2⁸ = 540019591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540019847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540019849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592322 + ... + 593232.

It is an arithmetic number, because the mean of its divisors is an integer number (46408488).

Almost surely, 2^540019847 is an apocalyptic number.

540019847 is a deficient number, since it is larger than the sum of its proper divisors (16882009).

540019847 is an equidigital number, since it uses as much as digits as its factorization.

540019847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 540019847 is about 23238.3271127678. The cubic root of 540019847 is about 814.3352613463.

The spelling of 540019847 in words is "five hundred forty million, nineteen thousand, eight hundred forty-seven".