540200047 has 4 divisors (see below), whose sum is σ = 549356040. Its totient is φ = 531044056.

The previous prime is 540199991. The next prime is 540200053. The reversal of 540200047 is 740002045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540200047 - 2¹⁵ = 540167279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540206047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4577908 + ... + 4578025.

It is an arithmetic number, because the mean of its divisors is an integer number (137339010).

Almost surely, 2^540200047 is an apocalyptic number.

540200047 is a deficient number, since it is larger than the sum of its proper divisors (9155993).

540200047 is an equidigital number, since it uses as much as digits as its factorization.

540200047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155992.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 540200047 is about 23242.2040047841. The cubic root of 540200047 is about 814.4258301749.

The spelling of 540200047 in words is "five hundred forty million, two hundred thousand, forty-seven".