266624253260460 has 288 divisors, whose sum is σ = 845566804992000. Its totient is φ = 70519228674048.

The previous prime is 266624253260399. The next prime is 266624253260467. The reversal of 266624253260460 is 64062352426662.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 266624253260397 and 266624253260406.

It is not an unprimeable number, because it can be changed into a prime (266624253260467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2159591052 + ... + 2159714508.

Almost surely, 2^{266624253260460} is an apocalyptic number.

266624253260460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266624253260460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422783402496000).

266624253260460 is an abundant number, since it is smaller than the sum of its proper divisors (578942551731540).

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

266624253260460 is a wasteful number, since it uses less digits than its factorization.

266624253260460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127107 (or 127093 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 54.

The spelling of 266624253260460 in words is "two hundred sixty-six trillion, six hundred twenty-four billion, two hundred fifty-three million, two hundred sixty thousand, four hundred sixty".