540041430461 has 4 divisors (see below), whose sum is σ = 581583078972. Its totient is φ = 498499781952.

The previous prime is 540041430413. The next prime is 540041430479. The reversal of 540041430461 is 164034140045.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80099754361 + 459941676100 = 283019^2 + 678190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540041430461 is a prime.

It is a super-2 number, since 2×540041430461² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540041030461) 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, 20770824236 + ... + 20770824261.

It is an arithmetic number, because the mean of its divisors is an integer number (145395769743).

Almost surely, 2^540041430461 is an apocalyptic number.

It is an amenable number.

540041430461 is a deficient number, since it is larger than the sum of its proper divisors (41541648511).

540041430461 is a wasteful number, since it uses less digits than its factorization.

540041430461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41541648510.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 540041430461 in words is "five hundred forty billion, forty-one million, four hundred thirty thousand, four hundred sixty-one".