5144455140 has 192 divisors, whose sum is σ = 16045682688. Its totient is φ = 1221120000.

The previous prime is 5144455133. The next prime is 5144455157. The reversal of 5144455140 is 415544415.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6849765 + ... + 6850515.

It is an arithmetic number, because the mean of its divisors is an integer number (83571264).

Almost surely, 2^5144455140 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 5144455140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8022841344).

5144455140 is an abundant number, since it is smaller than the sum of its proper divisors (10901227548).

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

5144455140 is a wasteful number, since it uses less digits than its factorization.

5144455140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 5144455140 is about 71724.8571974877. The cubic root of 5144455140 is about 1726.2875092763.

Adding to 5144455140 its reverse (415544415), we get a palindrome (5559999555).

The spelling of 5144455140 in words is "five billion, one hundred forty-four million, four hundred fifty-five thousand, one hundred forty".