266425044480 has 1920 divisors, whose sum is σ = 1196833397760. Its totient is φ = 55419863040.

The previous prime is 266425044469. The next prime is 266425044491. The reversal of 266425044480 is 84440524662.

266425044480 is a `hidden beast` number, since 2 + 6 + 64 + 2 + 504 + 4 + 4 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (266425044469) and next prime (266425044491).

It is a tau number, because it is divible by the number of its divisors (1920).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4367623650 + ... + 4367623710.

It is an arithmetic number, because the mean of its divisors is an integer number (623350728).

Almost surely, 2^266425044480 is an apocalyptic number.

266425044480 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 266425044480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598416698880).

266425044480 is an abundant number, since it is smaller than the sum of its proper divisors (930408353280).

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

266425044480 is an equidigital number, since it uses as much as digits as its factorization.

266425044480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 45.

The spelling of 266425044480 in words is "two hundred sixty-six billion, four hundred twenty-five million, forty-four thousand, four hundred eighty".