540433451 has 8 divisors (see below), whose sum is σ = 581923440. Its totient is φ = 500021248.

The previous prime is 540433429. The next prime is 540433459. The reversal of 540433451 is 154334045.

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

It is a cyclic number.

It is not a de Polignac number, because 540433451 - 2¹⁰ = 540432427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540433459) 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 7 ways as a sum of consecutive naturals, for example, 268406 + ... + 270411.

It is an arithmetic number, because the mean of its divisors is an integer number (72740430).

Almost surely, 2^540433451 is an apocalyptic number.

540433451 is a deficient number, since it is larger than the sum of its proper divisors (41489989).

540433451 is a wasteful number, since it uses less digits than its factorization.

540433451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538893.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 540433451 is about 23247.2245870340. The cubic root of 540433451 is about 814.5431094906.

Adding to 540433451 its reverse (154334045), we get a palindrome (694767496).

The spelling of 540433451 in words is "five hundred forty million, four hundred thirty-three thousand, four hundred fifty-one".