540464 has 20 divisors (see below), whose sum is σ = 1109304. Its totient is φ = 254208.

The previous prime is 540461. The next prime is 540469. The reversal of 540464 is 464045.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722 + ... + 1265.

2⁵⁴⁰⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

540464 is an abundant number, since it is smaller than the sum of its proper divisors (568840).

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

540464 is a wasteful number, since it uses less digits than its factorization.

540464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 540464 is about 735.1625670557. The cubic root of 540464 is about 81.4558457053.

The spelling of 540464 in words is "five hundred forty thousand, four hundred sixty-four".