266919048 has 96 divisors (see below), whose sum is σ = 822968640. Its totient is φ = 77362560.

The previous prime is 266919031. The next prime is 266919067. The reversal of 266919048 is 840919662.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 266918994 and 266919012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10890 + ... + 25542.

It is an arithmetic number, because the mean of its divisors is an integer number (8572590).

Almost surely, 2^266919048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266919048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411484320).

266919048 is an abundant number, since it is smaller than the sum of its proper divisors (556049592).

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

266919048 is a wasteful number, since it uses less digits than its factorization.

266919048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14699 (or 14692 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 266919048 is about 16337.6573596094. The cubic root of 266919048 is about 643.8625852920.

The spelling of 266919048 in words is "two hundred sixty-six million, nine hundred nineteen thousand, forty-eight".