540024657881 has 2 divisors, whose sum is σ = 540024657882. Its totient is φ = 540024657880.

The previous prime is 540024657871. The next prime is 540024657943. The reversal of 540024657881 is 188756420045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456896235481 + 83128422400 = 675941^2 + 288320^2 .

It is a cyclic number.

It is not a de Polignac number, because 540024657881 - 2⁶ = 540024657817 is a prime.

It is a super-2 number, since 2×540024657881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540024657871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270012328940 + 270012328941.

It is an arithmetic number, because the mean of its divisors is an integer number (270012328941).

Almost surely, 2^540024657881 is an apocalyptic number.

It is an amenable number.

540024657881 is a deficient number, since it is larger than the sum of its proper divisors (1).

540024657881 is an equidigital number, since it uses as much as digits as its factorization.

540024657881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 540024657881 in words is "five hundred forty billion, twenty-four million, six hundred fifty-seven thousand, eight hundred eighty-one".