4927821840 has 160 divisors (see below), whose sum is σ = 17017065600. Its totient is φ = 1310722560.

The previous prime is 4927821707. The next prime is 4927821851. The reversal of 4927821840 is 481287294.

4927821840 is a `hidden beast` number, since 492 + 7 + 82 + 1 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 906651 + ... + 912069.

It is an arithmetic number, because the mean of its divisors is an integer number (106356660).

Almost surely, 2^4927821840 is an apocalyptic number.

4927821840 is a gapful number since it is divisible by the number (40) 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 4927821840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8508532800).

4927821840 is an abundant number, since it is smaller than the sum of its proper divisors (12089243760).

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

4927821840 is a wasteful number, since it uses less digits than its factorization.

4927821840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862 (or 5850 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 4927821840 is about 70198.4461366489. The cubic root of 4927821840 is about 1701.7078384989.

The spelling of 4927821840 in words is "four billion, nine hundred twenty-seven million, eight hundred twenty-one thousand, eight hundred forty".