266430292680 has 32 divisors (see below), whose sum is σ = 799290878400. Its totient is φ = 71048078016.

The previous prime is 266430292619. The next prime is 266430292697. The reversal of 266430292680 is 86292034662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110126100 + ... + 1110126339.

It is an arithmetic number, because the mean of its divisors is an integer number (24977839950).

Almost surely, 2^266430292680 is an apocalyptic number.

266430292680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266430292680 is an abundant number, since it is smaller than the sum of its proper divisors (532860585720).

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

266430292680 is a wasteful number, since it uses less digits than its factorization.

266430292680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220252453 (or 2220252449 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 266430292680 in words is "two hundred sixty-six billion, four hundred thirty million, two hundred ninety-two thousand, six hundred eighty".