540878281245 has 40 divisors (see below), whose sum is σ = 1026608201784. Its totient is φ = 271499682816.

The previous prime is 540878281157. The next prime is 540878281249. The reversal of 540878281245 is 542182878045.

540878281245 is a `hidden beast` number, since 5 + 40 + 87 + 8 + 281 + 245 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 299457389529 + 241420891716 = 547227^2 + 491346^2 .

It is not a de Polignac number, because 540878281245 - 2⁸ = 540878280989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540878281191 and 540878281200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540878281249) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39272584 + ... + 39286353.

Almost surely, 2^540878281245 is an apocalyptic number.

It is an amenable number.

540878281245 is a deficient number, since it is larger than the sum of its proper divisors (485729920539).

540878281245 is a wasteful number, since it uses less digits than its factorization.

540878281245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78558971 (or 78558962 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 54.

The spelling of 540878281245 in words is "five hundred forty billion, eight hundred seventy-eight million, two hundred eighty-one thousand, two hundred forty-five".