540297650 has 12 divisors (see below), whose sum is σ = 1004953722. Its totient is φ = 216119040.

The previous prime is 540297649. The next prime is 540297671. The reversal of 540297650 is 56792045.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 347337769 + 192959881 = 18637^2 + 13891^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5402927 + ... + 5403026.

Almost surely, 2^540297650 is an apocalyptic number.

540297650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

540297650 is a deficient number, since it is larger than the sum of its proper divisors (464656072).

540297650 is a wasteful number, since it uses less digits than its factorization.

540297650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805965 (or 10805960 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 540297650 is about 23244.3036032487. The cubic root of 540297650 is about 814.4748772009.

The spelling of 540297650 in words is "five hundred forty million, two hundred ninety-seven thousand, six hundred fifty".