266927469120 has 672 divisors, whose sum is σ = 1052739210240. Its totient is φ = 63574917120.

The previous prime is 266927469103. The next prime is 266927469131. The reversal of 266927469120 is 21964729662.

266927469120 is a `hidden beast` number, since 266 + 9 + 274 + 6 + 91 + 20 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45262012 + ... + 45267908.

Almost surely, 2^266927469120 is an apocalyptic number.

266927469120 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 266927469120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526369605120).

266927469120 is an abundant number, since it is smaller than the sum of its proper divisors (785811741120).

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

266927469120 is a wasteful number, since it uses less digits than its factorization.

266927469120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980 (or 5951 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 266927469120 in words is "two hundred sixty-six billion, nine hundred twenty-seven million, four hundred sixty-nine thousand, one hundred twenty".