5249262720 has 512 divisors, whose sum is σ = 19432224000. Its totient is φ = 1193803776.

The previous prime is 5249262673. The next prime is 5249262721. The reversal of 5249262720 is 272629425.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5249262721) 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, 37764411 + ... + 37764549.

Almost surely, 2^5249262720 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 5249262720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9716112000).

5249262720 is an abundant number, since it is smaller than the sum of its proper divisors (14182961280).

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

5249262720 is a wasteful number, since it uses less digits than its factorization.

5249262720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 5249262720 is about 72451.7958369563. The cubic root of 5249262720 is about 1737.9319597479.

The spelling of 5249262720 in words is "five billion, two hundred forty-nine million, two hundred sixty-two thousand, seven hundred twenty".