540256645031 has 2 divisors, whose sum is σ = 540256645032. Its totient is φ = 540256645030.

The previous prime is 540256645021. The next prime is 540256645069. The reversal of 540256645031 is 130546652045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540256645031 - 2³⁴ = 523076775847 is a prime.

It is a super-2 number, since 2×540256645031² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540256645031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540256645021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270128322515 + 270128322516.

It is an arithmetic number, because the mean of its divisors is an integer number (270128322516).

Almost surely, 2^540256645031 is an apocalyptic number.

540256645031 is a deficient number, since it is larger than the sum of its proper divisors (1).

540256645031 is an equidigital number, since it uses as much as digits as its factorization.

540256645031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 540256645031 in words is "five hundred forty billion, two hundred fifty-six million, six hundred forty-five thousand, thirty-one".