5440149504 has 144 divisors (see below), whose sum is σ = 15937281360. Its totient is φ = 1787412480.

The previous prime is 5440149499. The next prime is 5440149511. The reversal of 5440149504 is 4059410445.

5440149504 is a `hidden beast` number, since 5 + 4 + 4 + 0 + 149 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306594 + ... + 1310750.

It is an arithmetic number, because the mean of its divisors is an integer number (110675565).

Almost surely, 2^5440149504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5440149504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7968640680).

5440149504 is an abundant number, since it is smaller than the sum of its proper divisors (10497131856).

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

5440149504 is a wasteful number, since it uses less digits than its factorization.

5440149504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256 (or 4233 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 5440149504 is about 73757.3691504788. The cubic root of 5440149504 is about 1758.7479800790.

Adding to 5440149504 its reverse (4059410445), we get a palindrome (9499559949).

The spelling of 5440149504 in words is "five billion, four hundred forty million, one hundred forty-nine thousand, five hundred four".