540626371 has 4 divisors (see below), whose sum is σ = 541517632. Its totient is φ = 539735112.

The previous prime is 540626353. The next prime is 540626377. The reversal of 540626371 is 173626045.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 540626371 - 2¹¹ = 540624323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540626377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444720 + ... + 445933.

It is an arithmetic number, because the mean of its divisors is an integer number (135379408).

Almost surely, 2^540626371 is an apocalyptic number.

540626371 is a deficient number, since it is larger than the sum of its proper divisors (891261).

540626371 is an equidigital number, since it uses as much as digits as its factorization.

540626371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891260.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 540626371 is about 23251.3735293208. The cubic root of 540626371 is about 814.6400211836.

The spelling of 540626371 in words is "five hundred forty million, six hundred twenty-six thousand, three hundred seventy-one".