540677429 has 4 divisors (see below), whose sum is σ = 540724140. Its totient is φ = 540630720.

The previous prime is 540677413. The next prime is 540677437. The reversal of 540677429 is 924776045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 415752100 + 124925329 = 20390^2 + 11177^2 .

It is a cyclic number.

It is not a de Polignac number, because 540677429 - 2⁴ = 540677413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540677429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540677329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8399 + ... + 33939.

It is an arithmetic number, because the mean of its divisors is an integer number (135181035).

Almost surely, 2^540677429 is an apocalyptic number.

It is an amenable number.

540677429 is a deficient number, since it is larger than the sum of its proper divisors (46711).

540677429 is a wasteful number, since it uses less digits than its factorization.

540677429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46710.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 540677429 is about 23252.4714600405. The cubic root of 540677429 is about 814.6656658697.

The spelling of 540677429 in words is "five hundred forty million, six hundred seventy-seven thousand, four hundred twenty-nine".