540426 has 8 divisors (see below), whose sum is σ = 1080864. Its totient is φ = 180140.

The previous prime is 540391. The next prime is 540433. The reversal of 540426 is 624045.

It is a happy number.

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

540426 is an admirable number.

It is a super-2 number, since 2×540426² = 584120522952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45030 + ... + 45041.

It is an arithmetic number, because the mean of its divisors is an integer number (135108).

2⁵⁴⁰⁴²⁶ is an apocalyptic number.

540426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

540426 is a wasteful number, since it uses less digits than its factorization.

540426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90076.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 540426 is about 735.1367219776. The cubic root of 540426 is about 81.4539366083.

The spelling of 540426 in words is "five hundred forty thousand, four hundred twenty-six".