540664742 has 8 divisors (see below), whose sum is σ = 811146000. Its totient is φ = 270282744.

The previous prime is 540664723. The next prime is 540664759. The reversal of 540664742 is 247466045.

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

It is a junction number, because it is equal to n+sod(n) for n = 540664696 and 540664705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9242 + ... + 34157.

It is an arithmetic number, because the mean of its divisors is an integer number (101393250).

Almost surely, 2^540664742 is an apocalyptic number.

540664742 is a deficient number, since it is larger than the sum of its proper divisors (270481258).

540664742 is a wasteful number, since it uses less digits than its factorization.

540664742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49630.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 540664742 is about 23252.1986487300. The cubic root of 540664742 is about 814.6592937745.

The spelling of 540664742 in words is "five hundred forty million, six hundred sixty-four thousand, seven hundred forty-two".