540656026 has 8 divisors (see below), whose sum is σ = 814349844. Its totient is φ = 269206080.

The previous prime is 540656003. The next prime is 540656029. The reversal of 540656026 is 620656045.

It can be written as a sum of positive squares in 2 ways, for example, as 535968801 + 4687225 = 23151^2 + 2165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×540656026² = 584617876900225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540655982 and 540656000.

It is not an unprimeable number, because it can be changed into a prime (540656029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560365 + ... + 561328.

Almost surely, 2^540656026 is an apocalyptic number.

540656026 is a deficient number, since it is larger than the sum of its proper divisors (273693818).

540656026 is a wasteful number, since it uses less digits than its factorization.

540656026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121936.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 540656026 is about 23252.0112248382. The cubic root of 540656026 is about 814.6549160718.

The spelling of 540656026 in words is "five hundred forty million, six hundred fifty-six thousand, twenty-six".