266772480000 has 680 divisors, whose sum is σ = 963063571008. Its totient is φ = 65273856000.

The previous prime is 266772479969. The next prime is 266772480049. The reversal of 266772480000 is 84277662.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1597439917 + ... + 1597440083.

Almost surely, 2^266772480000 is an apocalyptic number.

266772480000 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 266772480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481531785504).

266772480000 is an abundant number, since it is smaller than the sum of its proper divisors (696291091008).

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

266772480000 is an frugal number, since it uses more digits than its factorization.

266772480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 266772480000 in words is "two hundred sixty-six billion, seven hundred seventy-two million, four hundred eighty thousand".