540484044 has 12 divisors (see below), whose sum is σ = 1261129464. Its totient is φ = 180161344.

The previous prime is 540484037. The next prime is 540484079. The reversal of 540484044 is 440484045.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 540483996 and 540484014.

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, 22520157 + ... + 22520180.

It is an arithmetic number, because the mean of its divisors is an integer number (105094122).

Almost surely, 2^540484044 is an apocalyptic number.

It is an amenable number.

540484044 is an abundant number, since it is smaller than the sum of its proper divisors (720645420).

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

540484044 is a wasteful number, since it uses less digits than its factorization.

540484044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45040344 (or 45040342 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 33.

The square root of 540484044 is about 23248.3127129691. The cubic root of 540484044 is about 814.5685266772.

Subtracting from 540484044 its reverse (440484045), we obtain a palindrome (99999999).

The spelling of 540484044 in words is "five hundred forty million, four hundred eighty-four thousand, forty-four".