540900278 has 4 divisors (see below), whose sum is σ = 811350420. Its totient is φ = 270450138.

The previous prime is 540900253. The next prime is 540900317. The reversal of 540900278 is 872009045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×540900278² = 585146221480954568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135225068 + ... + 135225071.

It is an arithmetic number, because the mean of its divisors is an integer number (202837605).

Almost surely, 2^540900278 is an apocalyptic number.

540900278 is a deficient number, since it is larger than the sum of its proper divisors (270450142).

540900278 is a wasteful number, since it uses less digits than its factorization.

540900278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270450141.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 540900278 is about 23257.2629086056. The cubic root of 540900278 is about 814.7775763992. Note that the first 3 decimals are identical.

The spelling of 540900278 in words is "five hundred forty million, nine hundred thousand, two hundred seventy-eight".