540475064242 has 4 divisors (see below), whose sum is σ = 810712596366. Its totient is φ = 270237532120.

The previous prime is 540475064237. The next prime is 540475064243. The reversal of 540475064242 is 242460574045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 350214220521 + 190260843721 = 591789^2 + 436189^2 .

It is a super-2 number, since 2×540475064242² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (540475064243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135118766059 + ... + 135118766062.

Almost surely, 2^540475064242 is an apocalyptic number.

540475064242 is a deficient number, since it is larger than the sum of its proper divisors (270237532124).

540475064242 is a wasteful number, since it uses less digits than its factorization.

540475064242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270237532123.

The product of its (nonzero) digits is 1075200, while the sum is 43.

The spelling of 540475064242 in words is "five hundred forty billion, four hundred seventy-five million, sixty-four thousand, two hundred forty-two".