266540351034060 has 72 divisors (see below), whose sum is σ = 808519201570080. Its totient is φ = 71076242757888.

The previous prime is 266540351034011. The next prime is 266540351034091. The reversal of 266540351034060 is 60430153045662.

266540351034060 is a `hidden beast` number, since 2 + 6 + 6 + 5 + 40 + 3 + 510 + 34 + 0 + 60 = 666.

It is a super-2 number, since 2×266540351034060² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 266540351033997 and 266540351034015.

It is an unprimeable number.

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, 1474752 + ... + 23135591.

It is an arithmetic number, because the mean of its divisors is an integer number (11229433355140).

Almost surely, 2^{266540351034060} is an apocalyptic number.

266540351034060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266540351034060 is an abundant number, since it is smaller than the sum of its proper divisors (541978850536020).

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

266540351034060 is a wasteful number, since it uses less digits than its factorization.

266540351034060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24670527 (or 24670522 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 266540351034060 in words is "two hundred sixty-six trillion, five hundred forty billion, three hundred fifty-one million, thirty-four thousand, sixty".