5181451200 has 336 divisors, whose sum is σ = 19000276960. Its totient is φ = 1373552640.

The previous prime is 5181451181. The next prime is 5181451229. The reversal of 5181451200 is 21541815.

5181451200 is a `hidden beast` number, since 5 + 1 + 8 + 1 + 451 + 200 = 666.

It is a super-3 number, since 3×5181451200³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11966184 + ... + 11966616.

Almost surely, 2^5181451200 is an apocalyptic number.

5181451200 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 5181451200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9500138480).

5181451200 is an abundant number, since it is smaller than the sum of its proper divisors (13818825760).

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

5181451200 is a wasteful number, since it uses less digits than its factorization.

5181451200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 5181451200 is about 71982.2978238400. The cubic root of 5181451200 is about 1730.4157954549.

The spelling of 5181451200 in words is "five billion, one hundred eighty-one million, four hundred fifty-one thousand, two hundred".