540402441454511 has 8 divisors (see below), whose sum is σ = 552972298393680. Its totient is φ = 527832691710912.

The previous prime is 540402441454471. The next prime is 540402441454517. The reversal of 540402441454511 is 115454144204045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540402441454511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540402441454517) 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, 16554056 + ... + 36808173.

It is an arithmetic number, because the mean of its divisors is an integer number (69121537299210).

Almost surely, 2^{540402441454511} is an apocalyptic number.

540402441454511 is a deficient number, since it is larger than the sum of its proper divisors (12569856939169).

540402441454511 is a wasteful number, since it uses less digits than its factorization.

540402441454511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53597785.

The product of its (nonzero) digits is 1024000, while the sum is 44.

Adding to 540402441454511 its reverse (115454144204045), we get a palindrome (655856585658556).

The spelling of 540402441454511 in words is "five hundred forty trillion, four hundred two billion, four hundred forty-one million, four hundred fifty-four thousand, five hundred eleven".