540444001 has 8 divisors (see below), whose sum is σ = 556416000. Its totient is φ = 524604960.

The previous prime is 540443989. The next prime is 540444013. The reversal of 540444001 is 100444045.

It is an interprime number because it is at equal distance from previous prime (540443989) and next prime (540444013).

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 540444001 - 2⁷ = 540443873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540444061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24961 + ... + 41278.

It is an arithmetic number, because the mean of its divisors is an integer number (69552000).

Almost surely, 2^540444001 is an apocalyptic number.

It is an amenable number.

540444001 is a deficient number, since it is larger than the sum of its proper divisors (15971999).

540444001 is a wasteful number, since it uses less digits than its factorization.

540444001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66479.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 540444001 is about 23247.4514947338. The cubic root of 540444001 is about 814.5484097879.

Adding to 540444001 its reverse (100444045), we get a palindrome (640888046).

The spelling of 540444001 in words is "five hundred forty million, four hundred forty-four thousand, one".