5149422720 has 512 divisors, whose sum is σ = 19953158400. Its totient is φ = 1263071232.

The previous prime is 5149422713. The next prime is 5149422727. The reversal of 5149422720 is 272249415.

It is an interprime number because it is at equal distance from previous prime (5149422713) and next prime (5149422727).

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

It is not an unprimeable number, because it can be changed into a prime (5149422727) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18195699 + ... + 18195981.

Almost surely, 2^5149422720 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 5149422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9976579200).

5149422720 is an abundant number, since it is smaller than the sum of its proper divisors (14803735680).

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

5149422720 is an equidigital number, since it uses as much as digits as its factorization.

5149422720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 5149422720 is about 71759.4782589729. The cubic root of 5149422720 is about 1726.8429754589.

The spelling of 5149422720 in words is "five billion, one hundred forty-nine million, four hundred twenty-two thousand, seven hundred twenty".