266925254400 has 648 divisors, whose sum is σ = 1148084712320. Its totient is φ = 57798696960.

The previous prime is 266925254399. The next prime is 266925254413. The reversal of 266925254400 is 4452529662.

266925254400 is a `hidden beast` number, since 2 + 66 + 92 + 52 + 54 + 400 = 666.

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 71 ways as a sum of consecutive naturals, for example, 7643379 + ... + 7678221.

Almost surely, 2^266925254400 is an apocalyptic number.

266925254400 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 266925254400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574042356160).

266925254400 is an abundant number, since it is smaller than the sum of its proper divisors (881159457920).

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

266925254400 is a wasteful number, since it uses less digits than its factorization.

266925254400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34901 (or 34879 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 266925254400 in words is "two hundred sixty-six billion, nine hundred twenty-five million, two hundred fifty-four thousand, four hundred".