5144123656 has 64 divisors (see below), whose sum is σ = 11228388480. Its totient is φ = 2163732480.

The previous prime is 5144123639. The next prime is 5144123689. The reversal of 5144123656 is 6563214415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867176 + ... + 1869928.

It is an arithmetic number, because the mean of its divisors is an integer number (175443570).

Almost surely, 2^5144123656 is an apocalyptic number.

5144123656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5144123656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5614194240).

5144123656 is an abundant number, since it is smaller than the sum of its proper divisors (6084264824).

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

5144123656 is a wasteful number, since it uses less digits than its factorization.

5144123656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374 (or 3370 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 5144123656 is about 71722.5463574740. The cubic root of 5144123656 is about 1726.2504305858.

The spelling of 5144123656 in words is "five billion, one hundred forty-four million, one hundred twenty-three thousand, six hundred fifty-six".