5144785920 has 264 divisors, whose sum is σ = 17933685120. Its totient is φ = 1363722240.

The previous prime is 5144785901. The next prime is 5144785951. The reversal of 5144785920 is 295874415.

5144785920 is a `hidden beast` number, since 5 + 14 + 47 + 8 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14330701 + ... + 14331059.

Almost surely, 2^5144785920 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 5144785920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8966842560).

5144785920 is an abundant number, since it is smaller than the sum of its proper divisors (12788899200).

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

5144785920 is a wasteful number, since it uses less digits than its factorization.

5144785920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 5144785920 is about 71727.1630555677. The cubic root of 5144785920 is about 1726.3245076321.

The spelling of 5144785920 in words is "five billion, one hundred forty-four million, seven hundred eighty-five thousand, nine hundred twenty".