6530061240 has 112 divisors (see below), whose sum is σ = 22028977800. Its totient is φ = 1741341888.

The previous prime is 6530061229. The next prime is 6530061253. The reversal of 6530061240 is 421600356.

6530061240 is a `hidden beast` number, since 6 + 5 + 3 + 0 + 0 + 612 + 40 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 82810 + ... + 141129.

Almost surely, 2^6530061240 is an apocalyptic number.

6530061240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6530061240 is an abundant number, since it is smaller than the sum of its proper divisors (15498916560).

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

6530061240 is a wasteful number, since it uses less digits than its factorization.

6530061240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223968 (or 223949 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6530061240 is about 80808.7943233903. The cubic root of 6530061240 is about 1869.1281779719.

Adding to 6530061240 its reverse (421600356), we get a palindrome (6951661596).

The spelling of 6530061240 in words is "six billion, five hundred thirty million, sixty-one thousand, two hundred forty".