5427121824 has 120 divisors (see below), whose sum is σ = 15993663840. Its totient is φ = 1805341824.

The previous prime is 5427121823. The next prime is 5427121849. The reversal of 5427121824 is 4281217245.

5427121824 is a `hidden beast` number, since 542 + 71 + 21 + 8 + 24 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5427121823) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1457437 + ... + 1461155.

It is an arithmetic number, because the mean of its divisors is an integer number (133280532).

Almost surely, 2^5427121824 is an apocalyptic number.

5427121824 is a gapful number since it is divisible by the number (54) 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 5427121824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7996831920).

5427121824 is an abundant number, since it is smaller than the sum of its proper divisors (10566542016).

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

5427121824 is a wasteful number, since it uses less digits than its factorization.

5427121824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304 (or 4287 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 5427121824 is about 73669.0017850113. The cubic root of 5427121824 is about 1757.3429500700.

The spelling of 5427121824 in words is "five billion, four hundred twenty-seven million, one hundred twenty-one thousand, eight hundred twenty-four".