540256645026 has 48 divisors (see below), whose sum is σ = 1337886546048. Its totient is φ = 154346558400.

The previous prime is 540256645021. The next prime is 540256645031. The reversal of 540256645026 is 620546652045.

540256645026 is a `hidden beast` number, since 5 + 40 + 2 + 566 + 45 + 0 + 2 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (540256645021) and next prime (540256645031).

It is not an unprimeable number, because it can be changed into a prime (540256645021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1451011 + ... + 1784921.

It is an arithmetic number, because the mean of its divisors is an integer number (27872636376).

Almost surely, 2^540256645026 is an apocalyptic number.

540256645026 is an abundant number, since it is smaller than the sum of its proper divisors (797629901022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540256645026 is a wasteful number, since it uses less digits than its factorization.

540256645026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346767 (or 346764 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 540256645026 in words is "five hundred forty billion, two hundred fifty-six million, six hundred forty-five thousand, twenty-six".