540445312 has 32 divisors (see below), whose sum is σ = 1174550400. Its totient is φ = 245656320.

The previous prime is 540445309. The next prime is 540445331. The reversal of 540445312 is 213544045.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×540445312² = 584162270525554688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190512 + ... + 193327.

It is an arithmetic number, because the mean of its divisors is an integer number (36704700).

Almost surely, 2^540445312 is an apocalyptic number.

It is an amenable number.

540445312 is an abundant number, since it is smaller than the sum of its proper divisors (634105088).

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

540445312 is a wasteful number, since it uses less digits than its factorization.

540445312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383864 (or 383852 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 540445312 is about 23247.4796913558. The cubic root of 540445312 is about 814.5490684267.

Adding to 540445312 its reverse (213544045), we get a palindrome (753989357).

The spelling of 540445312 in words is "five hundred forty million, four hundred forty-five thousand, three hundred twelve".