540357278066 has 8 divisors (see below), whose sum is σ = 810567855360. Its totient is φ = 270167992948.

The previous prime is 540357278011. The next prime is 540357278113. The reversal of 540357278066 is 660872753045.

It is a happy number.

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

It is a super-3 number, since 3×540357278066³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540357277999 and 540357278017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5259446 + ... + 5361201.

It is an arithmetic number, because the mean of its divisors is an integer number (101320981920).

Almost surely, 2^540357278066 is an apocalyptic number.

540357278066 is a deficient number, since it is larger than the sum of its proper divisors (270210577294).

540357278066 is a wasteful number, since it uses less digits than its factorization.

540357278066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646088.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 540357278066 in words is "five hundred forty billion, three hundred fifty-seven million, two hundred seventy-eight thousand, sixty-six".