540903066 has 32 divisors (see below), whose sum is σ = 1218226176. Its totient is φ = 158622000.

The previous prime is 540903007. The next prime is 540903067. The reversal of 540903066 is 660309045.

It is a happy number.

It is a super-2 number, since 2×540903066² = 585152253616400712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540903067) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 130140 + ... + 134231.

It is an arithmetic number, because the mean of its divisors is an integer number (38069568).

Almost surely, 2^540903066 is an apocalyptic number.

540903066 is an abundant number, since it is smaller than the sum of its proper divisors (677323110).

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

540903066 is a wasteful number, since it uses less digits than its factorization.

540903066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264418.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 540903066 is about 23257.3228467939. The cubic root of 540903066 is about 814.7789762851.

The spelling of 540903066 in words is "five hundred forty million, nine hundred three thousand, sixty-six".