266614428 has 24 divisors (see below), whose sum is σ = 622444032. Its totient is φ = 88822384.

The previous prime is 266614427. The next prime is 266614463. The reversal of 266614428 is 824416662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266614427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21451 + ... + 31517.

It is an arithmetic number, because the mean of its divisors is an integer number (25935168).

Almost surely, 2^266614428 is an apocalyptic number.

It is an amenable number.

266614428 is an abundant number, since it is smaller than the sum of its proper divisors (355829604).

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

266614428 is a wasteful number, since it uses less digits than its factorization.

266614428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12281 (or 12279 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 266614428 is about 16328.3320642373. The cubic root of 266614428 is about 643.6175570939.

The spelling of 266614428 in words is "two hundred sixty-six million, six hundred fourteen thousand, four hundred twenty-eight".