266252636040502 has 8 divisors (see below), whose sum is σ = 399384950851512. Its totient is φ = 133124319090000.

The previous prime is 266252636040491. The next prime is 266252636040551. The reversal of 266252636040502 is 205040636252662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999298624 + ... + 999565027.

It is an arithmetic number, because the mean of its divisors is an integer number (49923118856439).

Almost surely, 2^{266252636040502} is an apocalyptic number.

266252636040502 is a deficient number, since it is larger than the sum of its proper divisors (133132314811010).

266252636040502 is a wasteful number, since it uses less digits than its factorization.

266252636040502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998930254.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 266252636040502 in words is "two hundred sixty-six trillion, two hundred fifty-two billion, six hundred thirty-six million, forty thousand, five hundred two".