6540345224 has 64 divisors (see below), whose sum is σ = 14834601600. Its totient is φ = 2640729600.

The previous prime is 6540345221. The next prime is 6540345233. The reversal of 6540345224 is 4225430456.

It is a super-2 number, since 2×6540345224² = 85552231298199220352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6540345221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175604 + ... + 209564.

It is an arithmetic number, because the mean of its divisors is an integer number (231790650).

Almost surely, 2^6540345224 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 6540345224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7417300800).

6540345224 is an abundant number, since it is smaller than the sum of its proper divisors (8294256376).

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

6540345224 is a wasteful number, since it uses less digits than its factorization.

6540345224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34174 (or 34170 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 6540345224 is about 80872.4008794100. The cubic root of 6540345224 is about 1870.1088733355.

The spelling of 6540345224 in words is "six billion, five hundred forty million, three hundred forty-five thousand, two hundred twenty-four".