266452398 has 12 divisors (see below), whose sum is σ = 577313568. Its totient is φ = 88817460.

The previous prime is 266452387. The next prime is 266452469. The reversal of 266452398 is 893254662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7401438 + ... + 7401473.

It is an arithmetic number, because the mean of its divisors is an integer number (48109464).

Almost surely, 2^266452398 is an apocalyptic number.

266452398 is an abundant number, since it is smaller than the sum of its proper divisors (310861170).

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

266452398 is a wasteful number, since it uses less digits than its factorization.

266452398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14802919 (or 14802916 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 266452398 is about 16323.3696888847. The cubic root of 266452398 is about 643.4871484403.

The spelling of 266452398 in words is "two hundred sixty-six million, four hundred fifty-two thousand, three hundred ninety-eight".