540677649 has 8 divisors (see below), whose sum is σ = 722289312. Its totient is φ = 359758880.

The previous prime is 540677617. The next prime is 540677651. The reversal of 540677649 is 946776045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540677649 - 2⁵ = 540677617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540677598 and 540677607.

It is not an unprimeable number, because it can be changed into a prime (540677149) 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, 171399 + ... + 174524.

It is an arithmetic number, because the mean of its divisors is an integer number (90286164).

Almost surely, 2^540677649 is an apocalyptic number.

It is an amenable number.

540677649 is a deficient number, since it is larger than the sum of its proper divisors (181611663).

540677649 is a wasteful number, since it uses less digits than its factorization.

540677649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346447.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 540677649 is about 23252.4761907200. The cubic root of 540677649 is about 814.6657763647.

It can be divided in two parts, 54067 and 7649, that added together give a palindrome (61716).

The spelling of 540677649 in words is "five hundred forty million, six hundred seventy-seven thousand, six hundred forty-nine".