5271236400 has 120 divisors (see below), whose sum is σ = 16921288000. Its totient is φ = 1402686720.

The previous prime is 5271236309. The next prime is 5271236419. The reversal of 5271236400 is 46321725.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 594399 + ... + 603201.

Almost surely, 2^5271236400 is an apocalyptic number.

5271236400 is a gapful number since it is divisible by the number (50) 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 5271236400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8460644000).

5271236400 is an abundant number, since it is smaller than the sum of its proper divisors (11650051600).

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

5271236400 is a wasteful number, since it uses less digits than its factorization.

5271236400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323 (or 9312 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 5271236400 is about 72603.2809176004. The cubic root of 5271236400 is about 1740.3536076161.

The spelling of 5271236400 in words is "five billion, two hundred seventy-one million, two hundred thirty-six thousand, four hundred".