540278826 has 8 divisors (see below), whose sum is σ = 1080557664. Its totient is φ = 180092940.

The previous prime is 540278807. The next prime is 540278833. The reversal of 540278826 is 628872045.

It is a happy number.

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

540278826 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45023230 + ... + 45023241.

It is an arithmetic number, because the mean of its divisors is an integer number (135069708).

Almost surely, 2^540278826 is an apocalyptic number.

540278826 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.

540278826 is a wasteful number, since it uses less digits than its factorization.

540278826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90046476.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 540278826 is about 23243.8986833104. The cubic root of 540278826 is about 814.4654183078.

The spelling of 540278826 in words is "five hundred forty million, two hundred seventy-eight thousand, eight hundred twenty-six".