540698214 has 64 divisors (see below), whose sum is σ = 1334154240. Its totient is φ = 142665600.

The previous prime is 540698161. The next prime is 540698227. The reversal of 540698214 is 412896045.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 18364 + ... + 37664.

It is an arithmetic number, because the mean of its divisors is an integer number (20846160).

Almost surely, 2^540698214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540698214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667077120).

540698214 is an abundant number, since it is smaller than the sum of its proper divisors (793456026).

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

540698214 is a wasteful number, since it uses less digits than its factorization.

540698214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19365.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 540698214 is about 23252.9183974829. The cubic root of 540698214 is about 814.6761050016.

The spelling of 540698214 in words is "five hundred forty million, six hundred ninety-eight thousand, two hundred fourteen".