540440151 has 8 divisors (see below), whose sum is σ = 721332864. Its totient is φ = 359920440.

The previous prime is 540440137. The next prime is 540440179. The reversal of 540440151 is 151044045.

It is a happy number.

540440151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 540440151 - 2⁵ = 540440119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540440101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89851 + ... + 95676.

It is an arithmetic number, because the mean of its divisors is an integer number (90166608).

Almost surely, 2^540440151 is an apocalyptic number.

540440151 is a deficient number, since it is larger than the sum of its proper divisors (180892713).

540440151 is a wasteful number, since it uses less digits than its factorization.

540440151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186501.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 540440151 is about 23247.3686898109. The cubic root of 540440151 is about 814.5464755642.

Adding to 540440151 its reverse (151044045), we get a palindrome (691484196).

The spelling of 540440151 in words is "five hundred forty million, four hundred forty thousand, one hundred fifty-one".