5440111506 has 24 divisors (see below), whose sum is σ = 11857495104. Its totient is φ = 1802511000.

The previous prime is 5440111459. The next prime is 5440111511. The reversal of 5440111506 is 6051110445.

5440111506 is a `hidden beast` number, since 5 + 4 + 40 + 111 + 506 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5440111506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 901870 + ... + 907881.

It is an arithmetic number, because the mean of its divisors is an integer number (494062296).

Almost surely, 2^5440111506 is an apocalyptic number.

5440111506 is an abundant number, since it is smaller than the sum of its proper divisors (6417383598).

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

5440111506 is a wasteful number, since it uses less digits than its factorization.

5440111506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809926 (or 1809923 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5440111506 is about 73757.1115622080. Note that the first 3 decimals coincide. The cubic root of 5440111506 is about 1758.7438852736.

The spelling of 5440111506 in words is "five billion, four hundred forty million, one hundred eleven thousand, five hundred six".