540440650 has 24 divisors (see below), whose sum is σ = 1009247904. Its totient is φ = 215310000.

The previous prime is 540440633. The next prime is 540440653. The reversal of 540440650 is 56044045.

It is not an unprimeable number, because it can be changed into a prime (540440653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8982 + ... + 34081.

It is an arithmetic number, because the mean of its divisors is an integer number (42051996).

Almost surely, 2^540440650 is an apocalyptic number.

540440650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

540440650 is a deficient number, since it is larger than the sum of its proper divisors (468807254).

540440650 is a wasteful number, since it uses less digits than its factorization.

540440650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43326 (or 43321 counting only the distinct ones).

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

The square root of 540440650 is about 23247.3794222058. The cubic root of 540440650 is about 814.5467262602.

Adding to 540440650 its reverse (56044045), we get a palindrome (596484695).

The spelling of 540440650 in words is "five hundred forty million, four hundred forty thousand, six hundred fifty".