266877400 has 48 divisors (see below), whose sum is σ = 624669840. Its totient is φ = 106032000.

The previous prime is 266877371. The next prime is 266877431. The reversal of 266877400 is 4778662.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25782 + ... + 34618.

It is an arithmetic number, because the mean of its divisors is an integer number (13013955).

Almost surely, 2^266877400 is an apocalyptic number.

266877400 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 266877400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312334920).

266877400 is an abundant number, since it is smaller than the sum of its proper divisors (357792440).

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

266877400 is a wasteful number, since it uses less digits than its factorization.

266877400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004 (or 8995 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 266877400 is about 16336.3827085435. The cubic root of 266877400 is about 643.8290957578.

The spelling of 266877400 in words is "two hundred sixty-six million, eight hundred seventy-seven thousand, four hundred".