540526389 has 48 divisors (see below), whose sum is σ = 817790400. Its totient is φ = 317011968.

The previous prime is 540526361. The next prime is 540526391. The reversal of 540526389 is 983625045.

540526389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 540526389 - 2¹³ = 540518197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540526389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540524389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1426002 + ... + 1426380.

It is an arithmetic number, because the mean of its divisors is an integer number (17037300).

Almost surely, 2^540526389 is an apocalyptic number.

It is an amenable number.

540526389 is a deficient number, since it is larger than the sum of its proper divisors (277264011).

540526389 is a wasteful number, since it uses less digits than its factorization.

540526389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 540526389 is about 23249.2234063850. The cubic root of 540526389 is about 814.5897989694.

The spelling of 540526389 in words is "five hundred forty million, five hundred twenty-six thousand, three hundred eighty-nine".