540650840 has 32 divisors (see below), whose sum is σ = 1229014080. Its totient is φ = 214029312.

The previous prime is 540650839. The next prime is 540650863. The reversal of 540650840 is 48056045.

It is a junction number, because it is equal to n+sod(n) for n = 540650797 and 540650806.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 65792 + ... + 73551.

It is an arithmetic number, because the mean of its divisors is an integer number (38406690).

Almost surely, 2^540650840 is an apocalyptic number.

It is an amenable number.

540650840 is an abundant number, since it is smaller than the sum of its proper divisors (688363240).

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

540650840 is a wasteful number, since it uses less digits than its factorization.

540650840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139451 (or 139447 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 540650840 is about 23251.8997073357. The cubic root of 540650840 is about 814.6523113264.

The spelling of 540650840 in words is "five hundred forty million, six hundred fifty thousand, eight hundred forty".