540252638 has 16 divisors (see below), whose sum is σ = 828027360. Its totient is φ = 264272736.

The previous prime is 540252637. The next prime is 540252653. The reversal of 540252638 is 836252045.

540252638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×540252638³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540252598 and 540252607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540252637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30956 + ... + 45152.

It is an arithmetic number, because the mean of its divisors is an integer number (51751710).

Almost surely, 2^540252638 is an apocalyptic number.

540252638 is a deficient number, since it is larger than the sum of its proper divisors (287774722).

540252638 is a wasteful number, since it uses less digits than its factorization.

540252638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14611.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 540252638 is about 23243.3353458577. The cubic root of 540252638 is about 814.4522587046.

The spelling of 540252638 in words is "five hundred forty million, two hundred fifty-two thousand, six hundred thirty-eight".