5421530340 has 96 divisors (see below), whose sum is σ = 16880209920. Its totient is φ = 1444608000.

The previous prime is 5421530293. The next prime is 5421530381. The reversal of 5421530340 is 430351245.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 861405 + ... + 867675.

It is an arithmetic number, because the mean of its divisors is an integer number (175835520).

Almost surely, 2^5421530340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421530340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8440104960).

5421530340 is an abundant number, since it is smaller than the sum of its proper divisors (11458679580).

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

5421530340 is a wasteful number, since it uses less digits than its factorization.

5421530340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890 (or 7882 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5421530340 is about 73631.0419592172. The cubic root of 5421530340 is about 1756.7392211310.

Adding to 5421530340 its reverse (430351245), we get a palindrome (5851881585).

The spelling of 5421530340 in words is "five billion, four hundred twenty-one million, five hundred thirty thousand, three hundred forty".