5420324640 has 96 divisors (see below), whose sum is σ = 17490525696. Its totient is φ = 1410160640.

The previous prime is 5420324627. The next prime is 5420324653. The reversal of 5420324640 is 464230245.

It is an interprime number because it is at equal distance from previous prime (5420324627) and next prime (5420324653).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×5420324640² = 58759838405982259200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5420324598 and 5420324607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118032 + ... + 157391.

It is an arithmetic number, because the mean of its divisors is an integer number (182192976).

Almost surely, 2^5420324640 is an apocalyptic number.

It is an amenable number.

5420324640 is an abundant number, since it is smaller than the sum of its proper divisors (12070201056).

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

5420324640 is a wasteful number, since it uses less digits than its factorization.

5420324640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275482 (or 275474 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 5420324640 is about 73622.8540604071. The cubic root of 5420324640 is about 1756.6089837638.

Adding to 5420324640 its reverse (464230245), we get a palindrome (5884554885).

The spelling of 5420324640 in words is "five billion, four hundred twenty million, three hundred twenty-four thousand, six hundred forty".