5642272800 has 432 divisors, whose sum is σ = 21760607232. Its totient is φ = 1369497600.

The previous prime is 5642272793. The next prime is 5642272819. The reversal of 5642272800 is 82722465.

5642272800 is a `hidden beast` number, since 5 + 642 + 2 + 7 + 2 + 8 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3793657 + ... + 3795143.

It is an arithmetic number, because the mean of its divisors is an integer number (50371776).

Almost surely, 2^5642272800 is an apocalyptic number.

5642272800 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 5642272800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10880303616).

5642272800 is an abundant number, since it is smaller than the sum of its proper divisors (16118334432).

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

5642272800 is a wasteful number, since it uses less digits than its factorization.

5642272800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 5642272800 is about 75115.0637355784. The cubic root of 5642272800 is about 1780.2651627024.

The spelling of 5642272800 in words is "five billion, six hundred forty-two million, two hundred seventy-two thousand, eight hundred".