266012525215400 has 48 divisors (see below), whose sum is σ = 618480725533440. Its totient is φ = 106404734059200.

The previous prime is 266012525215379. The next prime is 266012525215403. The reversal of 266012525215400 is 4512525210662.

It is not an unprimeable number, because it can be changed into a prime (266012525215403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86925305 + ... + 89933495.

It is an arithmetic number, because the mean of its divisors is an integer number (12885015115280).

Almost surely, 2^{266012525215400} is an apocalyptic number.

266012525215400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266012525215400 is an abundant number, since it is smaller than the sum of its proper divisors (352468200318040).

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

266012525215400 is a wasteful number, since it uses less digits than its factorization.

266012525215400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450354 (or 3450345 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 266012525215400 in words is "two hundred sixty-six trillion, twelve billion, five hundred twenty-five million, two hundred fifteen thousand, four hundred".