5272318464 has 120 divisors (see below), whose sum is σ = 16339208688. Its totient is φ = 1506355200.

The previous prime is 5272318433. The next prime is 5272318489. The reversal of 5272318464 is 4648132725.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40239 + ... + 110289.

Almost surely, 2^5272318464 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 5272318464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8169604344).

5272318464 is an abundant number, since it is smaller than the sum of its proper divisors (11066890224).

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

5272318464 is an equidigital number, since it uses as much as digits as its factorization.

5272318464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70086 (or 70063 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 5272318464 is about 72610.7324298550. The cubic root of 5272318464 is about 1740.4726843690.

The spelling of 5272318464 in words is "five billion, two hundred seventy-two million, three hundred eighteen thousand, four hundred sixty-four".