540221352 has 32 divisors (see below), whose sum is σ = 1473331680. Its totient is φ = 163703360.

The previous prime is 540221347. The next prime is 540221399. The reversal of 540221352 is 253122045.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 1022883 + ... + 1023410.

It is an arithmetic number, because the mean of its divisors is an integer number (46041615).

Almost surely, 2^540221352 is an apocalyptic number.

It is an amenable number.

540221352 is an abundant number, since it is smaller than the sum of its proper divisors (933110328).

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

540221352 is a wasteful number, since it uses less digits than its factorization.

540221352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046313 (or 2046309 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 540221352 is about 23242.6623259901. The cubic root of 540221352 is about 814.4365367729.

Adding to 540221352 its reverse (253122045), we get a palindrome (793343397).

The spelling of 540221352 in words is "five hundred forty million, two hundred twenty-one thousand, three hundred fifty-two".